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Finding the Fourth Proportional to 80,278.93, 110,788.57 and 44,468.94

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Solution

The fourth proportional to 80,278.93, 110,788.57 and 44,468.94 is: 61,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,278.93 : 110,788.57 = 44,468.94 : x
  2. Step 2: Convert to fraction form
    80,278.93/110,788.57 = 44,468.94/x
  3. Step 3: Cross multiply
    80,278.93x = 110,788.57 × 44,468.94
  4. Step 4: Simplify right side
    80,278.93x = 4,926,650,272.02
  5. Step 5: Solve for x
    x = 4,926,650,272.02/80,278.93
  6. Step 6: Final answer
    x = 61,369.16

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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.