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Finding the Fourth Proportional to 220,753.58, 304,640.53 and 125,260.02

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Solution

The fourth proportional to 220,753.58, 304,640.53 and 125,260.02 is: 172,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,753.58 : 304,640.53 = 125,260.02 : x
  2. Step 2: Convert to fraction form
    220,753.58/304,640.53 = 125,260.02/x
  3. Step 3: Cross multiply
    220,753.58x = 304,640.53 × 125,260.02
  4. Step 4: Simplify right side
    220,753.58x = 38,159,278,567.46
  5. Step 5: Solve for x
    x = 38,159,278,567.46/220,753.58
  6. Step 6: Final answer
    x = 172,859.16

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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.