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Finding the Fourth Proportional to 80,762.79, 111,439.35 and 44,951.88

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Solution

The fourth proportional to 80,762.79, 111,439.35 and 44,951.88 is: 62,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,762.79 : 111,439.35 = 44,951.88 : x
  2. Step 2: Convert to fraction form
    80,762.79/111,439.35 = 44,951.88/x
  3. Step 3: Cross multiply
    80,762.79x = 111,439.35 × 44,951.88
  4. Step 4: Simplify right side
    80,762.79x = 5,009,408,288.48
  5. Step 5: Solve for x
    x = 5,009,408,288.48/80,762.79
  6. Step 6: Final answer
    x = 62,026.19

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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.