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Finding the Fourth Proportional to 82,316.72, 123,472.27 and 34,901.29

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Solution

The fourth proportional to 82,316.72, 123,472.27 and 34,901.29 is: 52,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,316.72 : 123,472.27 = 34,901.29 : x
  2. Step 2: Convert to fraction form
    82,316.72/123,472.27 = 34,901.29/x
  3. Step 3: Cross multiply
    82,316.72x = 123,472.27 × 34,901.29
  4. Step 4: Simplify right side
    82,316.72x = 4,309,341,502.23
  5. Step 5: Solve for x
    x = 4,309,341,502.23/82,316.72
  6. Step 6: Final answer
    x = 52,350.74

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