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Finding the Fourth Proportional to 267,634.50, 369,335.61 and 148,402.50

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Solution

The fourth proportional to 267,634.50, 369,335.61 and 148,402.50 is: 204,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,634.50 : 369,335.61 = 148,402.50 : x
  2. Step 2: Convert to fraction form
    267,634.50/369,335.61 = 148,402.50/x
  3. Step 3: Cross multiply
    267,634.50x = 369,335.61 × 148,402.50
  4. Step 4: Simplify right side
    267,634.50x = 54,810,327,863.03
  5. Step 5: Solve for x
    x = 54,810,327,863.03/267,634.50
  6. Step 6: Final answer
    x = 204,795.45

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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.