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Finding the Fourth Proportional to 181,012.80, 271,551.60 and 75,842.40

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Solution

The fourth proportional to 181,012.80, 271,551.60 and 75,842.40 is: 113,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,012.80 : 271,551.60 = 75,842.40 : x
  2. Step 2: Convert to fraction form
    181,012.80/271,551.60 = 75,842.40/x
  3. Step 3: Cross multiply
    181,012.80x = 271,551.60 × 75,842.40
  4. Step 4: Simplify right side
    181,012.80x = 20,595,125,067.84
  5. Step 5: Solve for x
    x = 20,595,125,067.84/181,012.80
  6. Step 6: Final answer
    x = 113,777.18

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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.