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Finding the Fourth Proportional to 113,321.99, 169,906.30 and 63,436.52

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Solution

The fourth proportional to 113,321.99, 169,906.30 and 63,436.52 is: 95,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,321.99 : 169,906.30 = 63,436.52 : x
  2. Step 2: Convert to fraction form
    113,321.99/169,906.30 = 63,436.52/x
  3. Step 3: Cross multiply
    113,321.99x = 169,906.30 × 63,436.52
  4. Step 4: Simplify right side
    113,321.99x = 10,778,264,398.08
  5. Step 5: Solve for x
    x = 10,778,264,398.08/113,321.99
  6. Step 6: Final answer
    x = 95,111.85

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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.