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Finding the Fourth Proportional to 185,908.92, 279,874.95 and 169,375.20

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Solution

The fourth proportional to 185,908.92, 279,874.95 and 169,375.20 is: 254,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,908.92 : 279,874.95 = 169,375.20 : x
  2. Step 2: Convert to fraction form
    185,908.92/279,874.95 = 169,375.20/x
  3. Step 3: Cross multiply
    185,908.92x = 279,874.95 × 169,375.20
  4. Step 4: Simplify right side
    185,908.92x = 47,403,875,631.24
  5. Step 5: Solve for x
    x = 47,403,875,631.24/185,908.92
  6. Step 6: Final answer
    x = 254,984.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.