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Finding the Fourth Proportional to 247,833.90, 371,541.87 and 107,486.82

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Solution

The fourth proportional to 247,833.90, 371,541.87 and 107,486.82 is: 161,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,833.90 : 371,541.87 = 107,486.82 : x
  2. Step 2: Convert to fraction form
    247,833.90/371,541.87 = 107,486.82/x
  3. Step 3: Cross multiply
    247,833.90x = 371,541.87 × 107,486.82
  4. Step 4: Simplify right side
    247,833.90x = 39,935,854,103.15
  5. Step 5: Solve for x
    x = 39,935,854,103.15/247,833.90
  6. Step 6: Final answer
    x = 161,139.59

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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.