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Finding the Fourth Proportional to 73,248.56, 109,872.84 and 26,490.50

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Solution

The fourth proportional to 73,248.56, 109,872.84 and 26,490.50 is: 39,735.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,248.56 : 109,872.84 = 26,490.50 : x
  2. Step 2: Convert to fraction form
    73,248.56/109,872.84 = 26,490.50/x
  3. Step 3: Cross multiply
    73,248.56x = 109,872.84 × 26,490.50
  4. Step 4: Simplify right side
    73,248.56x = 2,910,586,468.02
  5. Step 5: Solve for x
    x = 2,910,586,468.02/73,248.56
  6. Step 6: Final answer
    x = 39,735.75

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Why These Related Problems?

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