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Finding the Fourth Proportional to 251,641.18, 347,151.89 and 169,942.89

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Solution

The fourth proportional to 251,641.18, 347,151.89 and 169,942.89 is: 234,444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,641.18 : 347,151.89 = 169,942.89 : x
  2. Step 2: Convert to fraction form
    251,641.18/347,151.89 = 169,942.89/x
  3. Step 3: Cross multiply
    251,641.18x = 347,151.89 × 169,942.89
  4. Step 4: Simplify right side
    251,641.18x = 58,995,997,182.24
  5. Step 5: Solve for x
    x = 58,995,997,182.24/251,641.18
  6. Step 6: Final answer
    x = 234,444.92

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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.