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Finding the Fourth Proportional to 221,604.32, 332,397.76 and 73,860.32

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Solution

The fourth proportional to 221,604.32, 332,397.76 and 73,860.32 is: 110,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,604.32 : 332,397.76 = 73,860.32 : x
  2. Step 2: Convert to fraction form
    221,604.32/332,397.76 = 73,860.32/x
  3. Step 3: Cross multiply
    221,604.32x = 332,397.76 × 73,860.32
  4. Step 4: Simplify right side
    221,604.32x = 24,551,004,920.88
  5. Step 5: Solve for x
    x = 24,551,004,920.88/221,604.32
  6. Step 6: Final answer
    x = 110,787.57

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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.