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Finding the Fourth Proportional to 88,603.38, 132,754.62 and 53,469.21

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Solution

The fourth proportional to 88,603.38, 132,754.62 and 53,469.21 is: 80,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,603.38 : 132,754.62 = 53,469.21 : x
  2. Step 2: Convert to fraction form
    88,603.38/132,754.62 = 53,469.21/x
  3. Step 3: Cross multiply
    88,603.38x = 132,754.62 × 53,469.21
  4. Step 4: Simplify right side
    88,603.38x = 7,098,284,655.25
  5. Step 5: Solve for x
    x = 7,098,284,655.25/88,603.38
  6. Step 6: Final answer
    x = 80,113.02

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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.