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Finding the Fourth Proportional to 80,645.95, 111,288.94 and 44,347.33

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Solution

The fourth proportional to 80,645.95, 111,288.94 and 44,347.33 is: 61,197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,645.95 : 111,288.94 = 44,347.33 : x
  2. Step 2: Convert to fraction form
    80,645.95/111,288.94 = 44,347.33/x
  3. Step 3: Cross multiply
    80,645.95x = 111,288.94 × 44,347.33
  4. Step 4: Simplify right side
    80,645.95x = 4,935,367,347.53
  5. Step 5: Solve for x
    x = 4,935,367,347.53/80,645.95
  6. Step 6: Final answer
    x = 61,197.96

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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.