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Finding the Fourth Proportional to 159,559.31, 239,360.84 and 70,810.85

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Solution

The fourth proportional to 159,559.31, 239,360.84 and 70,810.85 is: 106,225.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,559.31 : 239,360.84 = 70,810.85 : x
  2. Step 2: Convert to fraction form
    159,559.31/239,360.84 = 70,810.85/x
  3. Step 3: Cross multiply
    159,559.31x = 239,360.84 × 70,810.85
  4. Step 4: Simplify right side
    159,559.31x = 16,949,344,183.06
  5. Step 5: Solve for x
    x = 16,949,344,183.06/159,559.31
  6. Step 6: Final answer
    x = 106,225.98

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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.