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Finding the Fourth Proportional to 159,710.60, 239,450.70 and 104,337.80

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Solution

The fourth proportional to 159,710.60, 239,450.70 and 104,337.80 is: 156,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,710.60 : 239,450.70 = 104,337.80 : x
  2. Step 2: Convert to fraction form
    159,710.60/239,450.70 = 104,337.80/x
  3. Step 3: Cross multiply
    159,710.60x = 239,450.70 × 104,337.80
  4. Step 4: Simplify right side
    159,710.60x = 24,983,759,246.46
  5. Step 5: Solve for x
    x = 24,983,759,246.46/159,710.60
  6. Step 6: Final answer
    x = 156,431.44

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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.