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Finding the Fourth Proportional to 72,455.08, 108,605.90 and 24,377.92

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Solution

The fourth proportional to 72,455.08, 108,605.90 and 24,377.92 is: 36,541.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,455.08 : 108,605.90 = 24,377.92 : x
  2. Step 2: Convert to fraction form
    72,455.08/108,605.90 = 24,377.92/x
  3. Step 3: Cross multiply
    72,455.08x = 108,605.90 × 24,377.92
  4. Step 4: Simplify right side
    72,455.08x = 2,647,585,941.73
  5. Step 5: Solve for x
    x = 2,647,585,941.73/72,455.08
  6. Step 6: Final answer
    x = 36,541.07

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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.