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Finding the Fourth Proportional to 267,848.55, 401,759.84 and 99,401.71

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Solution

The fourth proportional to 267,848.55, 401,759.84 and 99,401.71 is: 149,097.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,848.55 : 401,759.84 = 99,401.71 : x
  2. Step 2: Convert to fraction form
    267,848.55/401,759.84 = 99,401.71/x
  3. Step 3: Cross multiply
    267,848.55x = 401,759.84 × 99,401.71
  4. Step 4: Simplify right side
    267,848.55x = 39,935,614,608.32
  5. Step 5: Solve for x
    x = 39,935,614,608.32/267,848.55
  6. Step 6: Final answer
    x = 149,097.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.