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Finding the Fourth Proportional to 85,154.50, 117,504.32 and 52,443.70

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Solution

The fourth proportional to 85,154.50, 117,504.32 and 52,443.70 is: 72,366.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,154.50 : 117,504.32 = 52,443.70 : x
  2. Step 2: Convert to fraction form
    85,154.50/117,504.32 = 52,443.70/x
  3. Step 3: Cross multiply
    85,154.50x = 117,504.32 × 52,443.70
  4. Step 4: Simplify right side
    85,154.50x = 6,162,361,306.78
  5. Step 5: Solve for x
    x = 6,162,361,306.78/85,154.50
  6. Step 6: Final answer
    x = 72,366.83

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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.