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Finding the Fourth Proportional to 225,005.40, 337,512.10 and 67,235.80

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Solution

The fourth proportional to 225,005.40, 337,512.10 and 67,235.80 is: 100,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,005.40 : 337,512.10 = 67,235.80 : x
  2. Step 2: Convert to fraction form
    225,005.40/337,512.10 = 67,235.80/x
  3. Step 3: Cross multiply
    225,005.40x = 337,512.10 × 67,235.80
  4. Step 4: Simplify right side
    225,005.40x = 22,692,896,053.18
  5. Step 5: Solve for x
    x = 22,692,896,053.18/225,005.40
  6. Step 6: Final answer
    x = 100,854.90

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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.