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Finding the Fourth Proportional to 159,975.60, 239,898.60 and 54,740.40

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Solution

The fourth proportional to 159,975.60, 239,898.60 and 54,740.40 is: 82,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,975.60 : 239,898.60 = 54,740.40 : x
  2. Step 2: Convert to fraction form
    159,975.60/239,898.60 = 54,740.40/x
  3. Step 3: Cross multiply
    159,975.60x = 239,898.60 × 54,740.40
  4. Step 4: Simplify right side
    159,975.60x = 13,132,145,323.44
  5. Step 5: Solve for x
    x = 13,132,145,323.44/159,975.60
  6. Step 6: Final answer
    x = 82,088.43

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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.