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Finding the Fourth Proportional to 173,691.20, 239,693.85 and 94,203.20

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Solution

The fourth proportional to 173,691.20, 239,693.85 and 94,203.20 is: 130,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,691.20 : 239,693.85 = 94,203.20 : x
  2. Step 2: Convert to fraction form
    173,691.20/239,693.85 = 94,203.20/x
  3. Step 3: Cross multiply
    173,691.20x = 239,693.85 × 94,203.20
  4. Step 4: Simplify right side
    173,691.20x = 22,579,926,491.85
  5. Step 5: Solve for x
    x = 22,579,926,491.85/173,691.20
  6. Step 6: Final answer
    x = 130,000.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.