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Finding the Fourth Proportional to 159,909.60, 239,809.44 and 54,704.16

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Solution

The fourth proportional to 159,909.60, 239,809.44 and 54,704.16 is: 82,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,909.60 : 239,809.44 = 54,704.16 : x
  2. Step 2: Convert to fraction form
    159,909.60/239,809.44 = 54,704.16/x
  3. Step 3: Cross multiply
    159,909.60x = 239,809.44 × 54,704.16
  4. Step 4: Simplify right side
    159,909.60x = 13,118,573,975.27
  5. Step 5: Solve for x
    x = 13,118,573,975.27/159,909.60
  6. Step 6: Final answer
    x = 82,037.44

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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.