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Finding the Fourth Proportional to 91,737.29, 137,426.90 and 63,206.93

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Solution

The fourth proportional to 91,737.29, 137,426.90 and 63,206.93 is: 94,687.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,737.29 : 137,426.90 = 63,206.93 : x
  2. Step 2: Convert to fraction form
    91,737.29/137,426.90 = 63,206.93/x
  3. Step 3: Cross multiply
    91,737.29x = 137,426.90 × 63,206.93
  4. Step 4: Simplify right side
    91,737.29x = 8,686,332,475.95
  5. Step 5: Solve for x
    x = 8,686,332,475.95/91,737.29
  6. Step 6: Final answer
    x = 94,687.04

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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.