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Finding the Fourth Proportional to 103,382.73, 155,082.60 and 44,218.98

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Solution

The fourth proportional to 103,382.73, 155,082.60 and 44,218.98 is: 66,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,382.73 : 155,082.60 = 44,218.98 : x
  2. Step 2: Convert to fraction form
    103,382.73/155,082.60 = 44,218.98/x
  3. Step 3: Cross multiply
    103,382.73x = 155,082.60 × 44,218.98
  4. Step 4: Simplify right side
    103,382.73x = 6,857,594,387.75
  5. Step 5: Solve for x
    x = 6,857,594,387.75/103,382.73
  6. Step 6: Final answer
    x = 66,332.11

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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.