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Finding the Fourth Proportional to 91,951.92, 137,913.84 and 43,908.24

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Solution

The fourth proportional to 91,951.92, 137,913.84 and 43,908.24 is: 65,855.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,951.92 : 137,913.84 = 43,908.24 : x
  2. Step 2: Convert to fraction form
    91,951.92/137,913.84 = 43,908.24/x
  3. Step 3: Cross multiply
    91,951.92x = 137,913.84 × 43,908.24
  4. Step 4: Simplify right side
    91,951.92x = 6,055,553,986.04
  5. Step 5: Solve for x
    x = 6,055,553,986.04/91,951.92
  6. Step 6: Final answer
    x = 65,855.66

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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.