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Finding the Fourth Proportional to 267,377.13, 368,944.34 and 152,648.48

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Solution

The fourth proportional to 267,377.13, 368,944.34 and 152,648.48 is: 210,634.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,377.13 : 368,944.34 = 152,648.48 : x
  2. Step 2: Convert to fraction form
    267,377.13/368,944.34 = 152,648.48/x
  3. Step 3: Cross multiply
    267,377.13x = 368,944.34 × 152,648.48
  4. Step 4: Simplify right side
    267,377.13x = 56,318,791,481.18
  5. Step 5: Solve for x
    x = 56,318,791,481.18/267,377.13
  6. Step 6: Final answer
    x = 210,634.29

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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.