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Finding the Fourth Proportional to 185,927, 279,902.15 and 169,393.28

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Solution

The fourth proportional to 185,927, 279,902.15 and 169,393.28 is: 255,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,927 : 279,902.15 = 169,393.28 : x
  2. Step 2: Convert to fraction form
    185,927/279,902.15 = 169,393.28/x
  3. Step 3: Cross multiply
    185,927x = 279,902.15 × 169,393.28
  4. Step 4: Simplify right side
    185,927x = 47,413,543,267.55
  5. Step 5: Solve for x
    x = 47,413,543,267.55/185,927
  6. Step 6: Final answer
    x = 255,011.61

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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.