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Finding the Fourth Proportional to 80,699.32, 111,363.44 and 44,888.56

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Solution

The fourth proportional to 80,699.32, 111,363.44 and 44,888.56 is: 61,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,699.32 : 111,363.44 = 44,888.56 : x
  2. Step 2: Convert to fraction form
    80,699.32/111,363.44 = 44,888.56/x
  3. Step 3: Cross multiply
    80,699.32x = 111,363.44 × 44,888.56
  4. Step 4: Simplify right side
    80,699.32x = 4,998,944,458.25
  5. Step 5: Solve for x
    x = 4,998,944,458.25/80,699.32
  6. Step 6: Final answer
    x = 61,945.31

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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.