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Finding the Fourth Proportional to 250,941.30, 376,405.79 and 61,400.16

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Solution

The fourth proportional to 250,941.30, 376,405.79 and 61,400.16 is: 92,098.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,941.30 : 376,405.79 = 61,400.16 : x
  2. Step 2: Convert to fraction form
    250,941.30/376,405.79 = 61,400.16/x
  3. Step 3: Cross multiply
    250,941.30x = 376,405.79 × 61,400.16
  4. Step 4: Simplify right side
    250,941.30x = 23,111,375,884.43
  5. Step 5: Solve for x
    x = 23,111,375,884.43/250,941.30
  6. Step 6: Final answer
    x = 92,098.73

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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.