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Finding the Fourth Proportional to 108,463.56, 161,957.02 and 95,706.96

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Solution

The fourth proportional to 108,463.56, 161,957.02 and 95,706.96 is: 142,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,463.56 : 161,957.02 = 95,706.96 : x
  2. Step 2: Convert to fraction form
    108,463.56/161,957.02 = 95,706.96/x
  3. Step 3: Cross multiply
    108,463.56x = 161,957.02 × 95,706.96
  4. Step 4: Simplify right side
    108,463.56x = 15,500,414,034.86
  5. Step 5: Solve for x
    x = 15,500,414,034.86/108,463.56
  6. Step 6: Final answer
    x = 142,908.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.