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Finding the Fourth Proportional to 88,506.60, 132,759.90 and 71,010.60

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Solution

The fourth proportional to 88,506.60, 132,759.90 and 71,010.60 is: 106,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,506.60 : 132,759.90 = 71,010.60 : x
  2. Step 2: Convert to fraction form
    88,506.60/132,759.90 = 71,010.60/x
  3. Step 3: Cross multiply
    88,506.60x = 132,759.90 × 71,010.60
  4. Step 4: Simplify right side
    88,506.60x = 9,427,360,154.94
  5. Step 5: Solve for x
    x = 9,427,360,154.94/88,506.60
  6. Step 6: Final answer
    x = 106,515.90

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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.