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Finding the Fourth Proportional to 371,753.38, 557,316.54 and 161,232.76

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Solution

The fourth proportional to 371,753.38, 557,316.54 and 161,232.76 is: 241,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,753.38 : 557,316.54 = 161,232.76 : x
  2. Step 2: Convert to fraction form
    371,753.38/557,316.54 = 161,232.76/x
  3. Step 3: Cross multiply
    371,753.38x = 557,316.54 × 161,232.76
  4. Step 4: Simplify right side
    371,753.38x = 89,857,683,937.85
  5. Step 5: Solve for x
    x = 89,857,683,937.85/371,753.38
  6. Step 6: Final answer
    x = 241,713.16

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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.