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Finding the Fourth Proportional to 80,277.72, 110,784.14 and 44,468.28

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Solution

The fourth proportional to 80,277.72, 110,784.14 and 44,468.28 is: 61,366.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,277.72 : 110,784.14 = 44,468.28 : x
  2. Step 2: Convert to fraction form
    80,277.72/110,784.14 = 44,468.28/x
  3. Step 3: Cross multiply
    80,277.72x = 110,784.14 × 44,468.28
  4. Step 4: Simplify right side
    80,277.72x = 4,926,380,157.08
  5. Step 5: Solve for x
    x = 4,926,380,157.08/80,277.72
  6. Step 6: Final answer
    x = 61,366.72

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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.