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Finding the Fourth Proportional to 157,327.98, 235,987.62 and 38,996.70

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Solution

The fourth proportional to 157,327.98, 235,987.62 and 38,996.70 is: 58,493.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,327.98 : 235,987.62 = 38,996.70 : x
  2. Step 2: Convert to fraction form
    157,327.98/235,987.62 = 38,996.70/x
  3. Step 3: Cross multiply
    157,327.98x = 235,987.62 × 38,996.70
  4. Step 4: Simplify right side
    157,327.98x = 9,202,738,420.85
  5. Step 5: Solve for x
    x = 9,202,738,420.85/157,327.98
  6. Step 6: Final answer
    x = 58,493.97

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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.