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Finding the Fourth Proportional to 107,846.97, 148,766.95 and 67,490.65

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Solution

The fourth proportional to 107,846.97, 148,766.95 and 67,490.65 is: 93,098.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,846.97 : 148,766.95 = 67,490.65 : x
  2. Step 2: Convert to fraction form
    107,846.97/148,766.95 = 67,490.65/x
  3. Step 3: Cross multiply
    107,846.97x = 148,766.95 × 67,490.65
  4. Step 4: Simplify right side
    107,846.97x = 10,040,378,154.02
  5. Step 5: Solve for x
    x = 10,040,378,154.02/107,846.97
  6. Step 6: Final answer
    x = 93,098.38

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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.