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Finding the Fourth Proportional to 73,877.40, 110,796.12 and 34,395.84

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Solution

The fourth proportional to 73,877.40, 110,796.12 and 34,395.84 is: 51,584.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,877.40 : 110,796.12 = 34,395.84 : x
  2. Step 2: Convert to fraction form
    73,877.40/110,796.12 = 34,395.84/x
  3. Step 3: Cross multiply
    73,877.40x = 110,796.12 × 34,395.84
  4. Step 4: Simplify right side
    73,877.40x = 3,810,925,616.14
  5. Step 5: Solve for x
    x = 3,810,925,616.14/73,877.40
  6. Step 6: Final answer
    x = 51,584.46

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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.