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Finding the Fourth Proportional to 89,295.90, 133,948.98 and 32,382.20

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Solution

The fourth proportional to 89,295.90, 133,948.98 and 32,382.20 is: 48,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,295.90 : 133,948.98 = 32,382.20 : x
  2. Step 2: Convert to fraction form
    89,295.90/133,948.98 = 32,382.20/x
  3. Step 3: Cross multiply
    89,295.90x = 133,948.98 × 32,382.20
  4. Step 4: Simplify right side
    89,295.90x = 4,337,561,990.41
  5. Step 5: Solve for x
    x = 4,337,561,990.41/89,295.90
  6. Step 6: Final answer
    x = 48,575.15

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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.