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Finding the Fourth Proportional to 62,498.79, 86,249.61 and 34,204.68

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Solution

The fourth proportional to 62,498.79, 86,249.61 and 34,204.68 is: 47,203.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,498.79 : 86,249.61 = 34,204.68 : x
  2. Step 2: Convert to fraction form
    62,498.79/86,249.61 = 34,204.68/x
  3. Step 3: Cross multiply
    62,498.79x = 86,249.61 × 34,204.68
  4. Step 4: Simplify right side
    62,498.79x = 2,950,140,310.17
  5. Step 5: Solve for x
    x = 2,950,140,310.17/62,498.79
  6. Step 6: Final answer
    x = 47,203.16

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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.