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Finding the Fourth Proportional to 169,715.38, 254,573.06 and 43,355.90

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Solution

The fourth proportional to 169,715.38, 254,573.06 and 43,355.90 is: 65,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,715.38 : 254,573.06 = 43,355.90 : x
  2. Step 2: Convert to fraction form
    169,715.38/254,573.06 = 43,355.90/x
  3. Step 3: Cross multiply
    169,715.38x = 254,573.06 × 43,355.90
  4. Step 4: Simplify right side
    169,715.38x = 11,037,244,876.88
  5. Step 5: Solve for x
    x = 11,037,244,876.88/169,715.38
  6. Step 6: Final answer
    x = 65,033.85

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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.