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Finding the Fourth Proportional to 80,443.89, 111,017.78 and 44,637.84

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Solution

The fourth proportional to 80,443.89, 111,017.78 and 44,637.84 is: 61,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,443.89 : 111,017.78 = 44,637.84 : x
  2. Step 2: Convert to fraction form
    80,443.89/111,017.78 = 44,637.84/x
  3. Step 3: Cross multiply
    80,443.89x = 111,017.78 × 44,637.84
  4. Step 4: Simplify right side
    80,443.89x = 4,955,593,900.80
  5. Step 5: Solve for x
    x = 4,955,593,900.80/80,443.89
  6. Step 6: Final answer
    x = 61,603.11

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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.