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Finding the Fourth Proportional to 97,165.80, 134,092.67 and 54,146.97

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Solution

The fourth proportional to 97,165.80, 134,092.67 and 54,146.97 is: 74,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,165.80 : 134,092.67 = 54,146.97 : x
  2. Step 2: Convert to fraction form
    97,165.80/134,092.67 = 54,146.97/x
  3. Step 3: Cross multiply
    97,165.80x = 134,092.67 × 54,146.97
  4. Step 4: Simplify right side
    97,165.80x = 7,260,711,508.98
  5. Step 5: Solve for x
    x = 7,260,711,508.98/97,165.80
  6. Step 6: Final answer
    x = 74,724.97

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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.