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Finding the Fourth Proportional to 159,318.96, 239,017.40 and 48,510.96

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Solution

The fourth proportional to 159,318.96, 239,017.40 and 48,510.96 is: 72,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,318.96 : 239,017.40 = 48,510.96 : x
  2. Step 2: Convert to fraction form
    159,318.96/239,017.40 = 48,510.96/x
  3. Step 3: Cross multiply
    159,318.96x = 239,017.40 × 48,510.96
  4. Step 4: Simplify right side
    159,318.96x = 11,594,963,530.70
  5. Step 5: Solve for x
    x = 11,594,963,530.70/159,318.96
  6. Step 6: Final answer
    x = 72,778.30

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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.