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Finding the Fourth Proportional to 221,898.80, 332,848.20 and 88,799.60

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Solution

The fourth proportional to 221,898.80, 332,848.20 and 88,799.60 is: 133,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,898.80 : 332,848.20 = 88,799.60 : x
  2. Step 2: Convert to fraction form
    221,898.80/332,848.20 = 88,799.60/x
  3. Step 3: Cross multiply
    221,898.80x = 332,848.20 × 88,799.60
  4. Step 4: Simplify right side
    221,898.80x = 29,556,787,020.72
  5. Step 5: Solve for x
    x = 29,556,787,020.72/221,898.80
  6. Step 6: Final answer
    x = 133,199.40

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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.