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Finding the Fourth Proportional to 97,456.64, 134,490.17 and 52,744.64

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Solution

The fourth proportional to 97,456.64, 134,490.17 and 52,744.64 is: 72,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,456.64 : 134,490.17 = 52,744.64 : x
  2. Step 2: Convert to fraction form
    97,456.64/134,490.17 = 52,744.64/x
  3. Step 3: Cross multiply
    97,456.64x = 134,490.17 × 52,744.64
  4. Step 4: Simplify right side
    97,456.64x = 7,093,635,600.19
  5. Step 5: Solve for x
    x = 7,093,635,600.19/97,456.64
  6. Step 6: Final answer
    x = 72,787.61

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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.