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Finding the Fourth Proportional to 267,397.62, 401,076.66 and 98,839.26

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Solution

The fourth proportional to 267,397.62, 401,076.66 and 98,839.26 is: 148,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,397.62 : 401,076.66 = 98,839.26 : x
  2. Step 2: Convert to fraction form
    267,397.62/401,076.66 = 98,839.26/x
  3. Step 3: Cross multiply
    267,397.62x = 401,076.66 × 98,839.26
  4. Step 4: Simplify right side
    267,397.62x = 39,642,120,277.67
  5. Step 5: Solve for x
    x = 39,642,120,277.67/267,397.62
  6. Step 6: Final answer
    x = 148,251.58

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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.