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Finding the Fourth Proportional to 222,655.80, 334,024.20 and 72,854.40

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Solution

The fourth proportional to 222,655.80, 334,024.20 and 72,854.40 is: 109,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,655.80 : 334,024.20 = 72,854.40 : x
  2. Step 2: Convert to fraction form
    222,655.80/334,024.20 = 72,854.40/x
  3. Step 3: Cross multiply
    222,655.80x = 334,024.20 × 72,854.40
  4. Step 4: Simplify right side
    222,655.80x = 24,335,132,676.48
  5. Step 5: Solve for x
    x = 24,335,132,676.48/222,655.80
  6. Step 6: Final answer
    x = 109,294.85

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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.