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Finding the Fourth Proportional to 61,446.30, 92,115.45 and 41,660.70

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Solution

The fourth proportional to 61,446.30, 92,115.45 and 41,660.70 is: 62,454.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,446.30 : 92,115.45 = 41,660.70 : x
  2. Step 2: Convert to fraction form
    61,446.30/92,115.45 = 41,660.70/x
  3. Step 3: Cross multiply
    61,446.30x = 92,115.45 × 41,660.70
  4. Step 4: Simplify right side
    61,446.30x = 3,837,594,127.82
  5. Step 5: Solve for x
    x = 3,837,594,127.82/61,446.30
  6. Step 6: Final answer
    x = 62,454.44

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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.