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Finding the Fourth Proportional to 222,149.43, 333,258.69 and 72,354.84

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Solution

The fourth proportional to 222,149.43, 333,258.69 and 72,354.84 is: 108,543.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,149.43 : 333,258.69 = 72,354.84 : x
  2. Step 2: Convert to fraction form
    222,149.43/333,258.69 = 72,354.84/x
  3. Step 3: Cross multiply
    222,149.43x = 333,258.69 × 72,354.84
  4. Step 4: Simplify right side
    222,149.43x = 24,112,879,193.56
  5. Step 5: Solve for x
    x = 24,112,879,193.56/222,149.43
  6. Step 6: Final answer
    x = 108,543.51

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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.