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Finding the Fourth Proportional to 73,391.78, 110,090.10 and 23,479.04

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Solution

The fourth proportional to 73,391.78, 110,090.10 and 23,479.04 is: 35,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,391.78 : 110,090.10 = 23,479.04 : x
  2. Step 2: Convert to fraction form
    73,391.78/110,090.10 = 23,479.04/x
  3. Step 3: Cross multiply
    73,391.78x = 110,090.10 × 23,479.04
  4. Step 4: Simplify right side
    73,391.78x = 2,584,809,861.50
  5. Step 5: Solve for x
    x = 2,584,809,861.50/73,391.78
  6. Step 6: Final answer
    x = 35,219.34

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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.