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Finding the Fourth Proportional to 372,434.86, 558,657.48 and 106,195.48

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Solution

The fourth proportional to 372,434.86, 558,657.48 and 106,195.48 is: 159,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,434.86 : 558,657.48 = 106,195.48 : x
  2. Step 2: Convert to fraction form
    372,434.86/558,657.48 = 106,195.48/x
  3. Step 3: Cross multiply
    372,434.86x = 558,657.48 × 106,195.48
  4. Step 4: Simplify right side
    372,434.86x = 59,326,899,244.19
  5. Step 5: Solve for x
    x = 59,326,899,244.19/372,434.86
  6. Step 6: Final answer
    x = 159,294.70

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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.