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Finding the Fourth Proportional to 251,350.64, 377,022.62 and 61,812.64

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Solution

The fourth proportional to 251,350.64, 377,022.62 and 61,812.64 is: 92,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,350.64 : 377,022.62 = 61,812.64 : x
  2. Step 2: Convert to fraction form
    251,350.64/377,022.62 = 61,812.64/x
  3. Step 3: Cross multiply
    251,350.64x = 377,022.62 × 61,812.64
  4. Step 4: Simplify right side
    251,350.64x = 23,304,763,481.92
  5. Step 5: Solve for x
    x = 23,304,763,481.92/251,350.64
  6. Step 6: Final answer
    x = 92,718.14

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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.