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Finding the Fourth Proportional to 88,561.72, 132,808.05 and 29,381.50

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Solution

The fourth proportional to 88,561.72, 132,808.05 and 29,381.50 is: 44,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,561.72 : 132,808.05 = 29,381.50 : x
  2. Step 2: Convert to fraction form
    88,561.72/132,808.05 = 29,381.50/x
  3. Step 3: Cross multiply
    88,561.72x = 132,808.05 × 29,381.50
  4. Step 4: Simplify right side
    88,561.72x = 3,902,099,721.08
  5. Step 5: Solve for x
    x = 3,902,099,721.08/88,561.72
  6. Step 6: Final answer
    x = 44,060.79

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