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Finding the Fourth Proportional to 88,961.52, 133,487.54 and 39,028.67

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Solution

The fourth proportional to 88,961.52, 133,487.54 and 39,028.67 is: 58,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,961.52 : 133,487.54 = 39,028.67 : x
  2. Step 2: Convert to fraction form
    88,961.52/133,487.54 = 39,028.67/x
  3. Step 3: Cross multiply
    88,961.52x = 133,487.54 × 39,028.67
  4. Step 4: Simplify right side
    88,961.52x = 5,209,840,285.19
  5. Step 5: Solve for x
    x = 5,209,840,285.19/88,961.52
  6. Step 6: Final answer
    x = 58,562.85

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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.