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Finding the Fourth Proportional to 167,907.60, 251,861.40 and 43,248.60

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Solution

The fourth proportional to 167,907.60, 251,861.40 and 43,248.60 is: 64,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,907.60 : 251,861.40 = 43,248.60 : x
  2. Step 2: Convert to fraction form
    167,907.60/251,861.40 = 43,248.60/x
  3. Step 3: Cross multiply
    167,907.60x = 251,861.40 × 43,248.60
  4. Step 4: Simplify right side
    167,907.60x = 10,892,652,944.04
  5. Step 5: Solve for x
    x = 10,892,652,944.04/167,907.60
  6. Step 6: Final answer
    x = 64,872.90

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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.