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Finding the Fourth Proportional to 113,591.70, 170,139.42 and 93,646.26

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Solution

The fourth proportional to 113,591.70, 170,139.42 and 93,646.26 is: 140,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,591.70 : 170,139.42 = 93,646.26 : x
  2. Step 2: Convert to fraction form
    113,591.70/170,139.42 = 93,646.26/x
  3. Step 3: Cross multiply
    113,591.70x = 170,139.42 × 93,646.26
  4. Step 4: Simplify right side
    113,591.70x = 15,932,920,361.57
  5. Step 5: Solve for x
    x = 15,932,920,361.57/113,591.70
  6. Step 6: Final answer
    x = 140,264.83

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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.