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Finding the Fourth Proportional to 174,735.17, 240,974.62 and 129,525.78

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Solution

The fourth proportional to 174,735.17, 240,974.62 and 129,525.78 is: 178,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,735.17 : 240,974.62 = 129,525.78 : x
  2. Step 2: Convert to fraction form
    174,735.17/240,974.62 = 129,525.78/x
  3. Step 3: Cross multiply
    174,735.17x = 240,974.62 × 129,525.78
  4. Step 4: Simplify right side
    174,735.17x = 31,212,425,615.70
  5. Step 5: Solve for x
    x = 31,212,425,615.70/174,735.17
  6. Step 6: Final answer
    x = 178,627.04

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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.