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Finding the Fourth Proportional to 62,488.88, 86,234.66 and 34,194.57

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Solution

The fourth proportional to 62,488.88, 86,234.66 and 34,194.57 is: 47,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,488.88 : 86,234.66 = 34,194.57 : x
  2. Step 2: Convert to fraction form
    62,488.88/86,234.66 = 34,194.57/x
  3. Step 3: Cross multiply
    62,488.88x = 86,234.66 × 34,194.57
  4. Step 4: Simplify right side
    62,488.88x = 2,948,756,946.82
  5. Step 5: Solve for x
    x = 2,948,756,946.82/62,488.88
  6. Step 6: Final answer
    x = 47,188.51

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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.