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Finding the Fourth Proportional to 65,167.32, 89,930.88 and 35,359.32

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Solution

The fourth proportional to 65,167.32, 89,930.88 and 35,359.32 is: 48,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,167.32 : 89,930.88 = 35,359.32 : x
  2. Step 2: Convert to fraction form
    65,167.32/89,930.88 = 35,359.32/x
  3. Step 3: Cross multiply
    65,167.32x = 89,930.88 × 35,359.32
  4. Step 4: Simplify right side
    65,167.32x = 3,179,894,763.80
  5. Step 5: Solve for x
    x = 3,179,894,763.80/65,167.32
  6. Step 6: Final answer
    x = 48,795.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.