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Finding the Fourth Proportional to 183,145.44, 252,746.28 and 102,572.76

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Solution

The fourth proportional to 183,145.44, 252,746.28 and 102,572.76 is: 141,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,145.44 : 252,746.28 = 102,572.76 : x
  2. Step 2: Convert to fraction form
    183,145.44/252,746.28 = 102,572.76/x
  3. Step 3: Cross multiply
    183,145.44x = 252,746.28 × 102,572.76
  4. Step 4: Simplify right side
    183,145.44x = 25,924,883,519.33
  5. Step 5: Solve for x
    x = 25,924,883,519.33/183,145.44
  6. Step 6: Final answer
    x = 141,553.53

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.