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Finding the Fourth Proportional to 132,254.88, 198,394.92 and 43,509.12

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Solution

The fourth proportional to 132,254.88, 198,394.92 and 43,509.12 is: 65,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,254.88 : 198,394.92 = 43,509.12 : x
  2. Step 2: Convert to fraction form
    132,254.88/198,394.92 = 43,509.12/x
  3. Step 3: Cross multiply
    132,254.88x = 198,394.92 × 43,509.12
  4. Step 4: Simplify right side
    132,254.88x = 8,631,988,381.67
  5. Step 5: Solve for x
    x = 8,631,988,381.67/132,254.88
  6. Step 6: Final answer
    x = 65,267.83

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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.