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Finding the Fourth Proportional to 372,401.52, 558,689.72 and 123,083.52

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Solution

The fourth proportional to 372,401.52, 558,689.72 and 123,083.52 is: 184,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,401.52 : 558,689.72 = 123,083.52 : x
  2. Step 2: Convert to fraction form
    372,401.52/558,689.72 = 123,083.52/x
  3. Step 3: Cross multiply
    372,401.52x = 558,689.72 × 123,083.52
  4. Step 4: Simplify right side
    372,401.52x = 68,765,497,325.41
  5. Step 5: Solve for x
    x = 68,765,497,325.41/372,401.52
  6. Step 6: Final answer
    x = 184,654.18

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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.