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Finding the Fourth Proportional to 88,687.26, 133,052.76 and 26,357.76

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Solution

The fourth proportional to 88,687.26, 133,052.76 and 26,357.76 is: 39,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,687.26 : 133,052.76 = 26,357.76 : x
  2. Step 2: Convert to fraction form
    88,687.26/133,052.76 = 26,357.76/x
  3. Step 3: Cross multiply
    88,687.26x = 133,052.76 × 26,357.76
  4. Step 4: Simplify right side
    88,687.26x = 3,506,972,715.42
  5. Step 5: Solve for x
    x = 3,506,972,715.42/88,687.26
  6. Step 6: Final answer
    x = 39,543.14

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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.