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Finding the Fourth Proportional to 110,839.55, 152,958.75 and 63,092.90

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Solution

The fourth proportional to 110,839.55, 152,958.75 and 63,092.90 is: 87,068.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,839.55 : 152,958.75 = 63,092.90 : x
  2. Step 2: Convert to fraction form
    110,839.55/152,958.75 = 63,092.90/x
  3. Step 3: Cross multiply
    110,839.55x = 152,958.75 × 63,092.90
  4. Step 4: Simplify right side
    110,839.55x = 9,650,611,500.27
  5. Step 5: Solve for x
    x = 9,650,611,500.27/110,839.55
  6. Step 6: Final answer
    x = 87,068.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.