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Finding the Fourth Proportional to 91,251.68, 125,925.96 and 50,966.12

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Solution

The fourth proportional to 91,251.68, 125,925.96 and 50,966.12 is: 70,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,251.68 : 125,925.96 = 50,966.12 : x
  2. Step 2: Convert to fraction form
    91,251.68/125,925.96 = 50,966.12/x
  3. Step 3: Cross multiply
    91,251.68x = 125,925.96 × 50,966.12
  4. Step 4: Simplify right side
    91,251.68x = 6,417,957,588.48
  5. Step 5: Solve for x
    x = 6,417,957,588.48/91,251.68
  6. Step 6: Final answer
    x = 70,332.49

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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.