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Finding the Fourth Proportional to 225,373.76, 338,078.22 and 65,452.32

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Solution

The fourth proportional to 225,373.76, 338,078.22 and 65,452.32 is: 98,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,373.76 : 338,078.22 = 65,452.32 : x
  2. Step 2: Convert to fraction form
    225,373.76/338,078.22 = 65,452.32/x
  3. Step 3: Cross multiply
    225,373.76x = 338,078.22 × 65,452.32
  4. Step 4: Simplify right side
    225,373.76x = 22,128,003,840.47
  5. Step 5: Solve for x
    x = 22,128,003,840.47/225,373.76
  6. Step 6: Final answer
    x = 98,183.59

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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.