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Finding the Fourth Proportional to 88,089.54, 131,978.61 and 46,565.70

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Solution

The fourth proportional to 88,089.54, 131,978.61 and 46,565.70 is: 69,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,089.54 : 131,978.61 = 46,565.70 : x
  2. Step 2: Convert to fraction form
    88,089.54/131,978.61 = 46,565.70/x
  3. Step 3: Cross multiply
    88,089.54x = 131,978.61 × 46,565.70
  4. Step 4: Simplify right side
    88,089.54x = 6,145,676,359.68
  5. Step 5: Solve for x
    x = 6,145,676,359.68/88,089.54
  6. Step 6: Final answer
    x = 69,766.24

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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.