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Finding the Fourth Proportional to 80,465.76, 111,042.81 and 44,655.80

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Solution

The fourth proportional to 80,465.76, 111,042.81 and 44,655.80 is: 61,625.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,465.76 : 111,042.81 = 44,655.80 : x
  2. Step 2: Convert to fraction form
    80,465.76/111,042.81 = 44,655.80/x
  3. Step 3: Cross multiply
    80,465.76x = 111,042.81 × 44,655.80
  4. Step 4: Simplify right side
    80,465.76x = 4,958,704,959.58
  5. Step 5: Solve for x
    x = 4,958,704,959.58/80,465.76
  6. Step 6: Final answer
    x = 61,625.03

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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.