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Finding the Fourth Proportional to 158,729.44, 238,092.72 and 47,921.44

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Solution

The fourth proportional to 158,729.44, 238,092.72 and 47,921.44 is: 71,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,729.44 : 238,092.72 = 47,921.44 : x
  2. Step 2: Convert to fraction form
    158,729.44/238,092.72 = 47,921.44/x
  3. Step 3: Cross multiply
    158,729.44x = 238,092.72 × 47,921.44
  4. Step 4: Simplify right side
    158,729.44x = 11,409,745,995.92
  5. Step 5: Solve for x
    x = 11,409,745,995.92/158,729.44
  6. Step 6: Final answer
    x = 71,881.73

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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.