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Finding the Fourth Proportional to 80,781.69, 111,482.37 and 44,973.95

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Solution

The fourth proportional to 80,781.69, 111,482.37 and 44,973.95 is: 62,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,781.69 : 111,482.37 = 44,973.95 : x
  2. Step 2: Convert to fraction form
    80,781.69/111,482.37 = 44,973.95/x
  3. Step 3: Cross multiply
    80,781.69x = 111,482.37 × 44,973.95
  4. Step 4: Simplify right side
    80,781.69x = 5,013,801,976.85
  5. Step 5: Solve for x
    x = 5,013,801,976.85/80,781.69
  6. Step 6: Final answer
    x = 62,066.07

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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.