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Finding the Fourth Proportional to 225,456.46, 338,104.91 and 65,499.11

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Solution

The fourth proportional to 225,456.46, 338,104.91 and 65,499.11 is: 98,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,456.46 : 338,104.91 = 65,499.11 : x
  2. Step 2: Convert to fraction form
    225,456.46/338,104.91 = 65,499.11/x
  3. Step 3: Cross multiply
    225,456.46x = 338,104.91 × 65,499.11
  4. Step 4: Simplify right side
    225,456.46x = 22,145,572,334.59
  5. Step 5: Solve for x
    x = 22,145,572,334.59/225,456.46
  6. Step 6: Final answer
    x = 98,225.50

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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.