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Finding the Fourth Proportional to 88,500.92, 132,751.38 and 51,539

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Solution

The fourth proportional to 88,500.92, 132,751.38 and 51,539 is: 77,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,500.92 : 132,751.38 = 51,539 : x
  2. Step 2: Convert to fraction form
    88,500.92/132,751.38 = 51,539/x
  3. Step 3: Cross multiply
    88,500.92x = 132,751.38 × 51,539
  4. Step 4: Simplify right side
    88,500.92x = 6,841,873,373.82
  5. Step 5: Solve for x
    x = 6,841,873,373.82/88,500.92
  6. Step 6: Final answer
    x = 77,308.50

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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.