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Finding the Fourth Proportional to 73,825.70, 110,738.55 and 44,228.30

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Solution

The fourth proportional to 73,825.70, 110,738.55 and 44,228.30 is: 66,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,825.70 : 110,738.55 = 44,228.30 : x
  2. Step 2: Convert to fraction form
    73,825.70/110,738.55 = 44,228.30/x
  3. Step 3: Cross multiply
    73,825.70x = 110,738.55 × 44,228.30
  4. Step 4: Simplify right side
    73,825.70x = 4,897,777,810.97
  5. Step 5: Solve for x
    x = 4,897,777,810.97/73,825.70
  6. Step 6: Final answer
    x = 66,342.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.