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Finding the Fourth Proportional to 231,627.58, 347,437.72 and 73,854.98

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Solution

The fourth proportional to 231,627.58, 347,437.72 and 73,854.98 is: 110,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,627.58 : 347,437.72 = 73,854.98 : x
  2. Step 2: Convert to fraction form
    231,627.58/347,437.72 = 73,854.98/x
  3. Step 3: Cross multiply
    231,627.58x = 347,437.72 × 73,854.98
  4. Step 4: Simplify right side
    231,627.58x = 25,660,005,861.85
  5. Step 5: Solve for x
    x = 25,660,005,861.85/231,627.58
  6. Step 6: Final answer
    x = 110,781.31

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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.