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Finding the Fourth Proportional to 269,700.74, 404,445.86 and 101,129.11

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Solution

The fourth proportional to 269,700.74, 404,445.86 and 101,129.11 is: 151,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,700.74 : 404,445.86 = 101,129.11 : x
  2. Step 2: Convert to fraction form
    269,700.74/404,445.86 = 101,129.11/x
  3. Step 3: Cross multiply
    269,700.74x = 404,445.86 × 101,129.11
  4. Step 4: Simplify right side
    269,700.74x = 40,901,248,727.46
  5. Step 5: Solve for x
    x = 40,901,248,727.46/269,700.74
  6. Step 6: Final answer
    x = 151,654.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.