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Finding the Fourth Proportional to 267,985.68, 369,792.84 and 154,844.88

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Solution

The fourth proportional to 267,985.68, 369,792.84 and 154,844.88 is: 213,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,985.68 : 369,792.84 = 154,844.88 : x
  2. Step 2: Convert to fraction form
    267,985.68/369,792.84 = 154,844.88/x
  3. Step 3: Cross multiply
    267,985.68x = 369,792.84 × 154,844.88
  4. Step 4: Simplify right side
    267,985.68x = 57,260,527,934.66
  5. Step 5: Solve for x
    x = 57,260,527,934.66/267,985.68
  6. Step 6: Final answer
    x = 213,670.10

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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.