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Finding the Fourth Proportional to 113,257.92, 170,018.12 and 60,769.92

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Solution

The fourth proportional to 113,257.92, 170,018.12 and 60,769.92 is: 91,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,257.92 : 170,018.12 = 60,769.92 : x
  2. Step 2: Convert to fraction form
    113,257.92/170,018.12 = 60,769.92/x
  3. Step 3: Cross multiply
    113,257.92x = 170,018.12 × 60,769.92
  4. Step 4: Simplify right side
    113,257.92x = 10,331,987,550.95
  5. Step 5: Solve for x
    x = 10,331,987,550.95/113,257.92
  6. Step 6: Final answer
    x = 91,225.30

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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.