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Finding the Fourth Proportional to 250,687.04, 376,025.28 and 61,148

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Solution

The fourth proportional to 250,687.04, 376,025.28 and 61,148 is: 91,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,687.04 : 376,025.28 = 61,148 : x
  2. Step 2: Convert to fraction form
    250,687.04/376,025.28 = 61,148/x
  3. Step 3: Cross multiply
    250,687.04x = 376,025.28 × 61,148
  4. Step 4: Simplify right side
    250,687.04x = 22,993,193,821.44
  5. Step 5: Solve for x
    x = 22,993,193,821.44/250,687.04
  6. Step 6: Final answer
    x = 91,720.71

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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.