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Finding the Fourth Proportional to 91,759.84, 137,626.80 and 29,422.24

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Solution

The fourth proportional to 91,759.84, 137,626.80 and 29,422.24 is: 44,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,759.84 : 137,626.80 = 29,422.24 : x
  2. Step 2: Convert to fraction form
    91,759.84/137,626.80 = 29,422.24/x
  3. Step 3: Cross multiply
    91,759.84x = 137,626.80 × 29,422.24
  4. Step 4: Simplify right side
    91,759.84x = 4,049,288,740.03
  5. Step 5: Solve for x
    x = 4,049,288,740.03/91,759.84
  6. Step 6: Final answer
    x = 44,129.20

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1.5x scale

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.