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Finding the Fourth Proportional to 132,081.80, 198,122.70 and 117,566.60

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Solution

The fourth proportional to 132,081.80, 198,122.70 and 117,566.60 is: 176,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,081.80 : 198,122.70 = 117,566.60 : x
  2. Step 2: Convert to fraction form
    132,081.80/198,122.70 = 117,566.60/x
  3. Step 3: Cross multiply
    132,081.80x = 198,122.70 × 117,566.60
  4. Step 4: Simplify right side
    132,081.80x = 23,292,612,221.82
  5. Step 5: Solve for x
    x = 23,292,612,221.82/132,081.80
  6. Step 6: Final answer
    x = 176,349.90

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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.