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Finding the Fourth Proportional to 159,683.20, 239,524.80 and 54,467.20

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Solution

The fourth proportional to 159,683.20, 239,524.80 and 54,467.20 is: 81,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,683.20 : 239,524.80 = 54,467.20 : x
  2. Step 2: Convert to fraction form
    159,683.20/239,524.80 = 54,467.20/x
  3. Step 3: Cross multiply
    159,683.20x = 239,524.80 × 54,467.20
  4. Step 4: Simplify right side
    159,683.20x = 13,046,245,186.56
  5. Step 5: Solve for x
    x = 13,046,245,186.56/159,683.20
  6. Step 6: Final answer
    x = 81,700.80

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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.