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Finding the Fourth Proportional to 267,716.62, 369,445.49 and 152,993.95

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Solution

The fourth proportional to 267,716.62, 369,445.49 and 152,993.95 is: 211,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,716.62 : 369,445.49 = 152,993.95 : x
  2. Step 2: Convert to fraction form
    267,716.62/369,445.49 = 152,993.95/x
  3. Step 3: Cross multiply
    267,716.62x = 369,445.49 × 152,993.95
  4. Step 4: Simplify right side
    267,716.62x = 56,522,924,824.79
  5. Step 5: Solve for x
    x = 56,522,924,824.79/267,716.62
  6. Step 6: Final answer
    x = 211,129.68

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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.