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Finding the Fourth Proportional to 292,377.66, 403,481.06 and 158,241.66

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Solution

The fourth proportional to 292,377.66, 403,481.06 and 158,241.66 is: 218,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,377.66 : 403,481.06 = 158,241.66 : x
  2. Step 2: Convert to fraction form
    292,377.66/403,481.06 = 158,241.66/x
  3. Step 3: Cross multiply
    292,377.66x = 403,481.06 × 158,241.66
  4. Step 4: Simplify right side
    292,377.66x = 63,847,511,921.75
  5. Step 5: Solve for x
    x = 63,847,511,921.75/292,377.66
  6. Step 6: Final answer
    x = 218,373.43

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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.