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Finding the Fourth Proportional to 73,913.70, 110,907.69 and 34,473.90

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Solution

The fourth proportional to 73,913.70, 110,907.69 and 34,473.90 is: 51,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,913.70 : 110,907.69 = 34,473.90 : x
  2. Step 2: Convert to fraction form
    73,913.70/110,907.69 = 34,473.90/x
  3. Step 3: Cross multiply
    73,913.70x = 110,907.69 × 34,473.90
  4. Step 4: Simplify right side
    73,913.70x = 3,823,420,614.29
  5. Step 5: Solve for x
    x = 3,823,420,614.29/73,913.70
  6. Step 6: Final answer
    x = 51,728.17

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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.