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Finding the Fourth Proportional to 73,843.80, 110,765.70 and 34,404.90

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Solution

The fourth proportional to 73,843.80, 110,765.70 and 34,404.90 is: 51,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,843.80 : 110,765.70 = 34,404.90 : x
  2. Step 2: Convert to fraction form
    73,843.80/110,765.70 = 34,404.90/x
  3. Step 3: Cross multiply
    73,843.80x = 110,765.70 × 34,404.90
  4. Step 4: Simplify right side
    73,843.80x = 3,810,882,831.93
  5. Step 5: Solve for x
    x = 3,810,882,831.93/73,843.80
  6. Step 6: Final answer
    x = 51,607.35

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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.