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Finding the Fourth Proportional to 132,006.60, 198,009.90 and 47,766.60

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Solution

The fourth proportional to 132,006.60, 198,009.90 and 47,766.60 is: 71,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,006.60 : 198,009.90 = 47,766.60 : x
  2. Step 2: Convert to fraction form
    132,006.60/198,009.90 = 47,766.60/x
  3. Step 3: Cross multiply
    132,006.60x = 198,009.90 × 47,766.60
  4. Step 4: Simplify right side
    132,006.60x = 9,458,259,689.34
  5. Step 5: Solve for x
    x = 9,458,259,689.34/132,006.60
  6. Step 6: Final answer
    x = 71,649.90

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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.