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Finding the Fourth Proportional to 362,189.61, 542,951.79 and 125,366.67

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Solution

The fourth proportional to 362,189.61, 542,951.79 and 125,366.67 is: 187,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,189.61 : 542,951.79 = 125,366.67 : x
  2. Step 2: Convert to fraction form
    362,189.61/542,951.79 = 125,366.67/x
  3. Step 3: Cross multiply
    362,189.61x = 542,951.79 × 125,366.67
  4. Step 4: Simplify right side
    362,189.61x = 68,068,057,882.84
  5. Step 5: Solve for x
    x = 68,068,057,882.84/362,189.61
  6. Step 6: Final answer
    x = 187,934.87

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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.