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Finding the Fourth Proportional to 80,378.66, 110,917.15 and 44,567.35

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Solution

The fourth proportional to 80,378.66, 110,917.15 and 44,567.35 is: 61,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,378.66 : 110,917.15 = 44,567.35 : x
  2. Step 2: Convert to fraction form
    80,378.66/110,917.15 = 44,567.35/x
  3. Step 3: Cross multiply
    80,378.66x = 110,917.15 × 44,567.35
  4. Step 4: Simplify right side
    80,378.66x = 4,943,283,056.34
  5. Step 5: Solve for x
    x = 4,943,283,056.34/80,378.66
  6. Step 6: Final answer
    x = 61,499.94

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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.