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Finding the Fourth Proportional to 220,149.96, 303,813.72 and 124,654.20

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Solution

The fourth proportional to 220,149.96, 303,813.72 and 124,654.20 is: 172,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,149.96 : 303,813.72 = 124,654.20 : x
  2. Step 2: Convert to fraction form
    220,149.96/303,813.72 = 124,654.20/x
  3. Step 3: Cross multiply
    220,149.96x = 303,813.72 × 124,654.20
  4. Step 4: Simplify right side
    220,149.96x = 37,871,656,215.62
  5. Step 5: Solve for x
    x = 37,871,656,215.62/220,149.96
  6. Step 6: Final answer
    x = 172,026.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.