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Finding the Fourth Proportional to 110,764.88, 152,855.60 and 68,348.02

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Solution

The fourth proportional to 110,764.88, 152,855.60 and 68,348.02 is: 94,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,764.88 : 152,855.60 = 68,348.02 : x
  2. Step 2: Convert to fraction form
    110,764.88/152,855.60 = 68,348.02/x
  3. Step 3: Cross multiply
    110,764.88x = 152,855.60 × 68,348.02
  4. Step 4: Simplify right side
    110,764.88x = 10,447,377,605.91
  5. Step 5: Solve for x
    x = 10,447,377,605.91/110,764.88
  6. Step 6: Final answer
    x = 94,320.31

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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.