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Finding the Fourth Proportional to 175,091.78, 241,626.45 and 103,497.62

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Solution

The fourth proportional to 175,091.78, 241,626.45 and 103,497.62 is: 142,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,091.78 : 241,626.45 = 103,497.62 : x
  2. Step 2: Convert to fraction form
    175,091.78/241,626.45 = 103,497.62/x
  3. Step 3: Cross multiply
    175,091.78x = 241,626.45 × 103,497.62
  4. Step 4: Simplify right side
    175,091.78x = 25,007,762,504.05
  5. Step 5: Solve for x
    x = 25,007,762,504.05/175,091.78
  6. Step 6: Final answer
    x = 142,826.59

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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.