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Finding the Fourth Proportional to 80,278.55, 110,784.40 and 44,470.88

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Solution

The fourth proportional to 80,278.55, 110,784.40 and 44,470.88 is: 61,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,278.55 : 110,784.40 = 44,470.88 : x
  2. Step 2: Convert to fraction form
    80,278.55/110,784.40 = 44,470.88/x
  3. Step 3: Cross multiply
    80,278.55x = 110,784.40 × 44,470.88
  4. Step 4: Simplify right side
    80,278.55x = 4,926,679,924.06
  5. Step 5: Solve for x
    x = 4,926,679,924.06/80,278.55
  6. Step 6: Final answer
    x = 61,369.82

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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.