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Finding the Fourth Proportional to 127,843.95, 191,793.62 and 48,958.18

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Solution

The fourth proportional to 127,843.95, 191,793.62 and 48,958.18 is: 73,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,843.95 : 191,793.62 = 48,958.18 : x
  2. Step 2: Convert to fraction form
    127,843.95/191,793.62 = 48,958.18/x
  3. Step 3: Cross multiply
    127,843.95x = 191,793.62 × 48,958.18
  4. Step 4: Simplify right side
    127,843.95x = 9,389,866,326.02
  5. Step 5: Solve for x
    x = 9,389,866,326.02/127,843.95
  6. Step 6: Final answer
    x = 73,447.88

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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.