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Finding the Fourth Proportional to 225,768.72, 338,618.52 and 59,569.68

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Solution

The fourth proportional to 225,768.72, 338,618.52 and 59,569.68 is: 89,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,768.72 : 338,618.52 = 59,569.68 : x
  2. Step 2: Convert to fraction form
    225,768.72/338,618.52 = 59,569.68/x
  3. Step 3: Cross multiply
    225,768.72x = 338,618.52 × 59,569.68
  4. Step 4: Simplify right side
    225,768.72x = 20,171,396,878.47
  5. Step 5: Solve for x
    x = 20,171,396,878.47/225,768.72
  6. Step 6: Final answer
    x = 89,345.40

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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.