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Finding the Fourth Proportional to 88,115.46, 121,601.50 and 47,829.12

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Solution

The fourth proportional to 88,115.46, 121,601.50 and 47,829.12 is: 66,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,115.46 : 121,601.50 = 47,829.12 : x
  2. Step 2: Convert to fraction form
    88,115.46/121,601.50 = 47,829.12/x
  3. Step 3: Cross multiply
    88,115.46x = 121,601.50 × 47,829.12
  4. Step 4: Simplify right side
    88,115.46x = 5,816,092,735.68
  5. Step 5: Solve for x
    x = 5,816,092,735.68/88,115.46
  6. Step 6: Final answer
    x = 66,005.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.