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Finding the Fourth Proportional to 372,470.94, 558,613.89 and 106,233.75

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Solution

The fourth proportional to 372,470.94, 558,613.89 and 106,233.75 is: 159,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,470.94 : 558,613.89 = 106,233.75 : x
  2. Step 2: Convert to fraction form
    372,470.94/558,613.89 = 106,233.75/x
  3. Step 3: Cross multiply
    372,470.94x = 558,613.89 × 106,233.75
  4. Step 4: Simplify right side
    372,470.94x = 59,343,648,336.79
  5. Step 5: Solve for x
    x = 59,343,648,336.79/372,470.94
  6. Step 6: Final answer
    x = 159,324.24

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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.