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Finding the Fourth Proportional to 92,391.40, 127,500.24 and 49,949.92

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Solution

The fourth proportional to 92,391.40, 127,500.24 and 49,949.92 is: 68,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,391.40 : 127,500.24 = 49,949.92 : x
  2. Step 2: Convert to fraction form
    92,391.40/127,500.24 = 49,949.92/x
  3. Step 3: Cross multiply
    92,391.40x = 127,500.24 × 49,949.92
  4. Step 4: Simplify right side
    92,391.40x = 6,368,626,787.98
  5. Step 5: Solve for x
    x = 6,368,626,787.98/92,391.40
  6. Step 6: Final answer
    x = 68,930.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.