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Finding the Fourth Proportional to 159,449.80, 238,713.90 and 97,241.80

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Solution

The fourth proportional to 159,449.80, 238,713.90 and 97,241.80 is: 145,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,449.80 : 238,713.90 = 97,241.80 : x
  2. Step 2: Convert to fraction form
    159,449.80/238,713.90 = 97,241.80/x
  3. Step 3: Cross multiply
    159,449.80x = 238,713.90 × 97,241.80
  4. Step 4: Simplify right side
    159,449.80x = 23,212,969,321.02
  5. Step 5: Solve for x
    x = 23,212,969,321.02/159,449.80
  6. Step 6: Final answer
    x = 145,581.68

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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.