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Finding the Fourth Proportional to 175,251, 241,806.78 and 103,634.04

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Solution

The fourth proportional to 175,251, 241,806.78 and 103,634.04 is: 142,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,251 : 241,806.78 = 103,634.04 : x
  2. Step 2: Convert to fraction form
    175,251/241,806.78 = 103,634.04/x
  3. Step 3: Cross multiply
    175,251x = 241,806.78 × 103,634.04
  4. Step 4: Simplify right side
    175,251x = 25,059,413,510.79
  5. Step 5: Solve for x
    x = 25,059,413,510.79/175,251
  6. Step 6: Final answer
    x = 142,991.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.