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Finding the Fourth Proportional to 183,340.69, 253,021.84 and 102,768.23

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Solution

The fourth proportional to 183,340.69, 253,021.84 and 102,768.23 is: 141,826.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,340.69 : 253,021.84 = 102,768.23 : x
  2. Step 2: Convert to fraction form
    183,340.69/253,021.84 = 102,768.23/x
  3. Step 3: Cross multiply
    183,340.69x = 253,021.84 × 102,768.23
  4. Step 4: Simplify right side
    183,340.69x = 26,002,606,648.14
  5. Step 5: Solve for x
    x = 26,002,606,648.14/183,340.69
  6. Step 6: Final answer
    x = 141,826.71

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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.