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Finding the Fourth Proportional to 221,566.40, 332,349.60 and 133,092.80

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Solution

The fourth proportional to 221,566.40, 332,349.60 and 133,092.80 is: 199,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,566.40 : 332,349.60 = 133,092.80 : x
  2. Step 2: Convert to fraction form
    221,566.40/332,349.60 = 133,092.80/x
  3. Step 3: Cross multiply
    221,566.40x = 332,349.60 × 133,092.80
  4. Step 4: Simplify right side
    221,566.40x = 44,233,338,842.88
  5. Step 5: Solve for x
    x = 44,233,338,842.88/221,566.40
  6. Step 6: Final answer
    x = 199,639.20

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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.