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Finding the Fourth Proportional to 252,908.87, 348,608.87 and 171,211.36

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Solution

The fourth proportional to 252,908.87, 348,608.87 and 171,211.36 is: 235,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,908.87 : 348,608.87 = 171,211.36 : x
  2. Step 2: Convert to fraction form
    252,908.87/348,608.87 = 171,211.36/x
  3. Step 3: Cross multiply
    252,908.87x = 348,608.87 × 171,211.36
  4. Step 4: Simplify right side
    252,908.87x = 59,685,798,740.76
  5. Step 5: Solve for x
    x = 59,685,798,740.76/252,908.87
  6. Step 6: Final answer
    x = 235,997.25

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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.