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Finding the Fourth Proportional to 221,446.40, 332,072.40 and 88,282.40

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Solution

The fourth proportional to 221,446.40, 332,072.40 and 88,282.40 is: 132,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,446.40 : 332,072.40 = 88,282.40 : x
  2. Step 2: Convert to fraction form
    221,446.40/332,072.40 = 88,282.40/x
  3. Step 3: Cross multiply
    221,446.40x = 332,072.40 × 88,282.40
  4. Step 4: Simplify right side
    221,446.40x = 29,316,148,445.76
  5. Step 5: Solve for x
    x = 29,316,148,445.76/221,446.40
  6. Step 6: Final answer
    x = 132,384.85

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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.