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Finding the Fourth Proportional to 267,467.88, 369,081.18 and 154,268.76

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Solution

The fourth proportional to 267,467.88, 369,081.18 and 154,268.76 is: 212,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,467.88 : 369,081.18 = 154,268.76 : x
  2. Step 2: Convert to fraction form
    267,467.88/369,081.18 = 154,268.76/x
  3. Step 3: Cross multiply
    267,467.88x = 369,081.18 × 154,268.76
  4. Step 4: Simplify right side
    267,467.88x = 56,937,695,977.94
  5. Step 5: Solve for x
    x = 56,937,695,977.94/267,467.88
  6. Step 6: Final answer
    x = 212,876.76

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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.