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Finding the Fourth Proportional to 222,472.44, 333,680.85 and 72,700.20

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Solution

The fourth proportional to 222,472.44, 333,680.85 and 72,700.20 is: 109,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,472.44 : 333,680.85 = 72,700.20 : x
  2. Step 2: Convert to fraction form
    222,472.44/333,680.85 = 72,700.20/x
  3. Step 3: Cross multiply
    222,472.44x = 333,680.85 × 72,700.20
  4. Step 4: Simplify right side
    222,472.44x = 24,258,664,531.17
  5. Step 5: Solve for x
    x = 24,258,664,531.17/222,472.44
  6. Step 6: Final answer
    x = 109,041.21

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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.