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Finding the Fourth Proportional to 362,079.41, 542,996.07 and 125,366.72

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Solution

The fourth proportional to 362,079.41, 542,996.07 and 125,366.72 is: 188,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,079.41 : 542,996.07 = 125,366.72 : x
  2. Step 2: Convert to fraction form
    362,079.41/542,996.07 = 125,366.72/x
  3. Step 3: Cross multiply
    362,079.41x = 542,996.07 × 125,366.72
  4. Step 4: Simplify right side
    362,079.41x = 68,073,633,553.81
  5. Step 5: Solve for x
    x = 68,073,633,553.81/362,079.41
  6. Step 6: Final answer
    x = 188,007.47

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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.