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Finding the Fourth Proportional to 225,925.39, 338,651.63 and 76,113.91

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Solution

The fourth proportional to 225,925.39, 338,651.63 and 76,113.91 is: 114,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,925.39 : 338,651.63 = 76,113.91 : x
  2. Step 2: Convert to fraction form
    225,925.39/338,651.63 = 76,113.91/x
  3. Step 3: Cross multiply
    225,925.39x = 338,651.63 × 76,113.91
  4. Step 4: Simplify right side
    225,925.39x = 25,776,098,745.40
  5. Step 5: Solve for x
    x = 25,776,098,745.40/225,925.39
  6. Step 6: Final answer
    x = 114,091.20

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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.