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Finding the Fourth Proportional to 80,378.17, 110,917.77 and 44,567.83

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Solution

The fourth proportional to 80,378.17, 110,917.77 and 44,567.83 is: 61,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,378.17 : 110,917.77 = 44,567.83 : x
  2. Step 2: Convert to fraction form
    80,378.17/110,917.77 = 44,567.83/x
  3. Step 3: Cross multiply
    80,378.17x = 110,917.77 × 44,567.83
  4. Step 4: Simplify right side
    80,378.17x = 4,943,364,317.34
  5. Step 5: Solve for x
    x = 4,943,364,317.34/80,378.17
  6. Step 6: Final answer
    x = 61,501.33

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1.5x scale

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.