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Finding the Fourth Proportional to 267,372.56, 368,909.16 and 148,140.56

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Solution

The fourth proportional to 267,372.56, 368,909.16 and 148,140.56 is: 204,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,372.56 : 368,909.16 = 148,140.56 : x
  2. Step 2: Convert to fraction form
    267,372.56/368,909.16 = 148,140.56/x
  3. Step 3: Cross multiply
    267,372.56x = 368,909.16 × 148,140.56
  4. Step 4: Simplify right side
    267,372.56x = 54,650,409,551.53
  5. Step 5: Solve for x
    x = 54,650,409,551.53/267,372.56
  6. Step 6: Final answer
    x = 204,397.97

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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.