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Finding the Fourth Proportional to 250,689.04, 376,028.28 and 61,150

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Solution

The fourth proportional to 250,689.04, 376,028.28 and 61,150 is: 91,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,689.04 : 376,028.28 = 61,150 : x
  2. Step 2: Convert to fraction form
    250,689.04/376,028.28 = 61,150/x
  3. Step 3: Cross multiply
    250,689.04x = 376,028.28 × 61,150
  4. Step 4: Simplify right side
    250,689.04x = 22,994,129,322
  5. Step 5: Solve for x
    x = 22,994,129,322/250,689.04
  6. Step 6: Final answer
    x = 91,723.71

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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.