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Finding the Fourth Proportional to 88,515.60, 132,773.40 and 85,016.40

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Solution

The fourth proportional to 88,515.60, 132,773.40 and 85,016.40 is: 127,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,515.60 : 132,773.40 = 85,016.40 : x
  2. Step 2: Convert to fraction form
    88,515.60/132,773.40 = 85,016.40/x
  3. Step 3: Cross multiply
    88,515.60x = 132,773.40 × 85,016.40
  4. Step 4: Simplify right side
    88,515.60x = 11,287,916,483.76
  5. Step 5: Solve for x
    x = 11,287,916,483.76/88,515.60
  6. Step 6: Final answer
    x = 127,524.60

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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.