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Finding the Fourth Proportional to 225,272.76, 337,920.36 and 67,486.20

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Solution

The fourth proportional to 225,272.76, 337,920.36 and 67,486.20 is: 101,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,272.76 : 337,920.36 = 67,486.20 : x
  2. Step 2: Convert to fraction form
    225,272.76/337,920.36 = 67,486.20/x
  3. Step 3: Cross multiply
    225,272.76x = 337,920.36 × 67,486.20
  4. Step 4: Simplify right side
    225,272.76x = 22,804,960,999.03
  5. Step 5: Solve for x
    x = 22,804,960,999.03/225,272.76
  6. Step 6: Final answer
    x = 101,232.66

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1.5x scale

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.