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Finding the Fourth Proportional to 372,636.69, 558,876.66 and 119,939.77

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Solution

The fourth proportional to 372,636.69, 558,876.66 and 119,939.77 is: 179,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,636.69 : 558,876.66 = 119,939.77 : x
  2. Step 2: Convert to fraction form
    372,636.69/558,876.66 = 119,939.77/x
  3. Step 3: Cross multiply
    372,636.69x = 558,876.66 × 119,939.77
  4. Step 4: Simplify right side
    372,636.69x = 67,031,538,058.77
  5. Step 5: Solve for x
    x = 67,031,538,058.77/372,636.69
  6. Step 6: Final answer
    x = 179,884.43

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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.