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Finding the Fourth Proportional to 73,881.36, 110,891.16 and 36,483.66

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Solution

The fourth proportional to 73,881.36, 110,891.16 and 36,483.66 is: 54,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,881.36 : 110,891.16 = 36,483.66 : x
  2. Step 2: Convert to fraction form
    73,881.36/110,891.16 = 36,483.66/x
  3. Step 3: Cross multiply
    73,881.36x = 110,891.16 × 36,483.66
  4. Step 4: Simplify right side
    73,881.36x = 4,045,715,378.45
  5. Step 5: Solve for x
    x = 4,045,715,378.45/73,881.36
  6. Step 6: Final answer
    x = 54,759.62

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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.