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Finding the Fourth Proportional to 132,006.80, 198,010.20 and 43,263.20

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Solution

The fourth proportional to 132,006.80, 198,010.20 and 43,263.20 is: 64,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,006.80 : 198,010.20 = 43,263.20 : x
  2. Step 2: Convert to fraction form
    132,006.80/198,010.20 = 43,263.20/x
  3. Step 3: Cross multiply
    132,006.80x = 198,010.20 × 43,263.20
  4. Step 4: Simplify right side
    132,006.80x = 8,566,554,884.64
  5. Step 5: Solve for x
    x = 8,566,554,884.64/132,006.80
  6. Step 6: Final answer
    x = 64,894.80

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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.