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Finding the Fourth Proportional to 91,757.94, 126,552.92 and 75,814.71

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Solution

The fourth proportional to 91,757.94, 126,552.92 and 75,814.71 is: 104,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,757.94 : 126,552.92 = 75,814.71 : x
  2. Step 2: Convert to fraction form
    91,757.94/126,552.92 = 75,814.71/x
  3. Step 3: Cross multiply
    91,757.94x = 126,552.92 × 75,814.71
  4. Step 4: Simplify right side
    91,757.94x = 9,594,572,550.38
  5. Step 5: Solve for x
    x = 9,594,572,550.38/91,757.94
  6. Step 6: Final answer
    x = 104,563.95

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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.