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Finding the Fourth Proportional to 88,582.40, 132,909.44 and 35,978.24

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Solution

The fourth proportional to 88,582.40, 132,909.44 and 35,978.24 is: 53,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,582.40 : 132,909.44 = 35,978.24 : x
  2. Step 2: Convert to fraction form
    88,582.40/132,909.44 = 35,978.24/x
  3. Step 3: Cross multiply
    88,582.40x = 132,909.44 × 35,978.24
  4. Step 4: Simplify right side
    88,582.40x = 4,781,847,730.59
  5. Step 5: Solve for x
    x = 4,781,847,730.59/88,582.40
  6. Step 6: Final answer
    x = 53,981.92

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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.