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Finding the Fourth Proportional to 104,999.52, 157,465.28 and 34,860

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Solution

The fourth proportional to 104,999.52, 157,465.28 and 34,860 is: 52,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,999.52 : 157,465.28 = 34,860 : x
  2. Step 2: Convert to fraction form
    104,999.52/157,465.28 = 34,860/x
  3. Step 3: Cross multiply
    104,999.52x = 157,465.28 × 34,860
  4. Step 4: Simplify right side
    104,999.52x = 5,489,239,660.80
  5. Step 5: Solve for x
    x = 5,489,239,660.80/104,999.52
  6. Step 6: Final answer
    x = 52,278.71

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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.