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Finding the Fourth Proportional to 73,809.56, 110,731.91 and 23,889.65

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Solution

The fourth proportional to 73,809.56, 110,731.91 and 23,889.65 is: 35,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,809.56 : 110,731.91 = 23,889.65 : x
  2. Step 2: Convert to fraction form
    73,809.56/110,731.91 = 23,889.65/x
  3. Step 3: Cross multiply
    73,809.56x = 110,731.91 × 23,889.65
  4. Step 4: Simplify right side
    73,809.56x = 2,645,346,731.11
  5. Step 5: Solve for x
    x = 2,645,346,731.11/73,809.56
  6. Step 6: Final answer
    x = 35,840.17

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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.