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Finding the Fourth Proportional to 61,617.30, 92,425.95 and 48,932.70

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Solution

The fourth proportional to 61,617.30, 92,425.95 and 48,932.70 is: 73,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,617.30 : 92,425.95 = 48,932.70 : x
  2. Step 2: Convert to fraction form
    61,617.30/92,425.95 = 48,932.70/x
  3. Step 3: Cross multiply
    61,617.30x = 92,425.95 × 48,932.70
  4. Step 4: Simplify right side
    61,617.30x = 4,522,651,283.57
  5. Step 5: Solve for x
    x = 4,522,651,283.57/61,617.30
  6. Step 6: Final answer
    x = 73,399.05

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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.