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Finding the Fourth Proportional to 267,425.38, 369,035.49 and 159,931.90

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Solution

The fourth proportional to 267,425.38, 369,035.49 and 159,931.90 is: 220,699.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,425.38 : 369,035.49 = 159,931.90 : x
  2. Step 2: Convert to fraction form
    267,425.38/369,035.49 = 159,931.90/x
  3. Step 3: Cross multiply
    267,425.38x = 369,035.49 × 159,931.90
  4. Step 4: Simplify right side
    267,425.38x = 59,020,547,083.13
  5. Step 5: Solve for x
    x = 59,020,547,083.13/267,425.38
  6. Step 6: Final answer
    x = 220,699.12

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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.