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Finding the Fourth Proportional to 183,219.76, 252,785.88 and 102,636.40

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Solution

The fourth proportional to 183,219.76, 252,785.88 and 102,636.40 is: 141,606.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,219.76 : 252,785.88 = 102,636.40 : x
  2. Step 2: Convert to fraction form
    183,219.76/252,785.88 = 102,636.40/x
  3. Step 3: Cross multiply
    183,219.76x = 252,785.88 × 102,636.40
  4. Step 4: Simplify right side
    183,219.76x = 25,945,032,694.03
  5. Step 5: Solve for x
    x = 25,945,032,694.03/183,219.76
  6. Step 6: Final answer
    x = 141,606.08

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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.