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Finding the Fourth Proportional to 97,456.89, 134,490.52 and 52,744.89

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Solution

The fourth proportional to 97,456.89, 134,490.52 and 52,744.89 is: 72,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,456.89 : 134,490.52 = 52,744.89 : x
  2. Step 2: Convert to fraction form
    97,456.89/134,490.52 = 52,744.89/x
  3. Step 3: Cross multiply
    97,456.89x = 134,490.52 × 52,744.89
  4. Step 4: Simplify right side
    97,456.89x = 7,093,687,683.44
  5. Step 5: Solve for x
    x = 7,093,687,683.44/97,456.89
  6. Step 6: Final answer
    x = 72,787.95

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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.