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Finding the Fourth Proportional to 169,155.58, 253,702.70 and 67,949.56

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Solution

The fourth proportional to 169,155.58, 253,702.70 and 67,949.56 is: 101,912.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,155.58 : 253,702.70 = 67,949.56 : x
  2. Step 2: Convert to fraction form
    169,155.58/253,702.70 = 67,949.56/x
  3. Step 3: Cross multiply
    169,155.58x = 253,702.70 × 67,949.56
  4. Step 4: Simplify right side
    169,155.58x = 17,238,986,835.81
  5. Step 5: Solve for x
    x = 17,238,986,835.81/169,155.58
  6. Step 6: Final answer
    x = 101,912.02

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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.