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Finding the Fourth Proportional to 354,732.01, 532,083.13 and 165,127.21

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Solution

The fourth proportional to 354,732.01, 532,083.13 and 165,127.21 is: 247,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,732.01 : 532,083.13 = 165,127.21 : x
  2. Step 2: Convert to fraction form
    354,732.01/532,083.13 = 165,127.21/x
  3. Step 3: Cross multiply
    354,732.01x = 532,083.13 × 165,127.21
  4. Step 4: Simplify right side
    354,732.01x = 87,861,401,001.94
  5. Step 5: Solve for x
    x = 87,861,401,001.94/354,732.01
  6. Step 6: Final answer
    x = 247,683.88

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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.