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Finding the Fourth Proportional to 88,585.20, 132,877.80 and 29,422.80

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Solution

The fourth proportional to 88,585.20, 132,877.80 and 29,422.80 is: 44,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,585.20 : 132,877.80 = 29,422.80 : x
  2. Step 2: Convert to fraction form
    88,585.20/132,877.80 = 29,422.80/x
  3. Step 3: Cross multiply
    88,585.20x = 132,877.80 × 29,422.80
  4. Step 4: Simplify right side
    88,585.20x = 3,909,636,933.84
  5. Step 5: Solve for x
    x = 3,909,636,933.84/88,585.20
  6. Step 6: Final answer
    x = 44,134.20

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1.5x scale

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.