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Finding the Fourth Proportional to 235,871.92, 353,512.52 and 185,754.08

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Solution

The fourth proportional to 235,871.92, 353,512.52 and 185,754.08 is: 278,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,871.92 : 353,512.52 = 185,754.08 : x
  2. Step 2: Convert to fraction form
    235,871.92/353,512.52 = 185,754.08/x
  3. Step 3: Cross multiply
    235,871.92x = 353,512.52 × 185,754.08
  4. Step 4: Simplify right side
    235,871.92x = 65,666,392,921.08
  5. Step 5: Solve for x
    x = 65,666,392,921.08/235,871.92
  6. Step 6: Final answer
    x = 278,398.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.