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Finding the Fourth Proportional to 225,064.92, 337,547.16 and 67,272.88

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Solution

The fourth proportional to 225,064.92, 337,547.16 and 67,272.88 is: 100,894.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,064.92 : 337,547.16 = 67,272.88 : x
  2. Step 2: Convert to fraction form
    225,064.92/337,547.16 = 67,272.88/x
  3. Step 3: Cross multiply
    225,064.92x = 337,547.16 × 67,272.88
  4. Step 4: Simplify right side
    225,064.92x = 22,707,769,589.02
  5. Step 5: Solve for x
    x = 22,707,769,589.02/225,064.92
  6. Step 6: Final answer
    x = 100,894.31

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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.