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Finding the Fourth Proportional to 267,544, 369,210.72 and 154,366.75

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Solution

The fourth proportional to 267,544, 369,210.72 and 154,366.75 is: 213,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,544 : 369,210.72 = 154,366.75 : x
  2. Step 2: Convert to fraction form
    267,544/369,210.72 = 154,366.75/x
  3. Step 3: Cross multiply
    267,544x = 369,210.72 × 154,366.75
  4. Step 4: Simplify right side
    267,544x = 56,993,858,911.56
  5. Step 5: Solve for x
    x = 56,993,858,911.56/267,544
  6. Step 6: Final answer
    x = 213,026.12

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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.