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Finding the Fourth Proportional to 123,593.28, 185,390.16 and 49,704

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Solution

The fourth proportional to 123,593.28, 185,390.16 and 49,704 is: 74,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,593.28 : 185,390.16 = 49,704 : x
  2. Step 2: Convert to fraction form
    123,593.28/185,390.16 = 49,704/x
  3. Step 3: Cross multiply
    123,593.28x = 185,390.16 × 49,704
  4. Step 4: Simplify right side
    123,593.28x = 9,214,632,512.64
  5. Step 5: Solve for x
    x = 9,214,632,512.64/123,593.28
  6. Step 6: Final answer
    x = 74,556.10

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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.