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Finding the Fourth Proportional to 132,007.20, 198,010.80 and 132,007.20

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Solution

The fourth proportional to 132,007.20, 198,010.80 and 132,007.20 is: 198,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,007.20 : 198,010.80 = 132,007.20 : x
  2. Step 2: Convert to fraction form
    132,007.20/198,010.80 = 132,007.20/x
  3. Step 3: Cross multiply
    132,007.20x = 198,010.80 × 132,007.20
  4. Step 4: Simplify right side
    132,007.20x = 26,138,851,277.76
  5. Step 5: Solve for x
    x = 26,138,851,277.76/132,007.20
  6. Step 6: Final answer
    x = 198,010.80

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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.