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Finding the Fourth Proportional to 248,959.57, 343,562.61 and 141,529.60

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Solution

The fourth proportional to 248,959.57, 343,562.61 and 141,529.60 is: 195,309.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,959.57 : 343,562.61 = 141,529.60 : x
  2. Step 2: Convert to fraction form
    248,959.57/343,562.61 = 141,529.60/x
  3. Step 3: Cross multiply
    248,959.57x = 343,562.61 × 141,529.60
  4. Step 4: Simplify right side
    248,959.57x = 48,624,278,768.26
  5. Step 5: Solve for x
    x = 48,624,278,768.26/248,959.57
  6. Step 6: Final answer
    x = 195,309.94

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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.