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Finding the Fourth Proportional to 250,741.92, 376,148 and 73,261.92

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Solution

The fourth proportional to 250,741.92, 376,148 and 73,261.92 is: 109,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,741.92 : 376,148 = 73,261.92 : x
  2. Step 2: Convert to fraction form
    250,741.92/376,148 = 73,261.92/x
  3. Step 3: Cross multiply
    250,741.92x = 376,148 × 73,261.92
  4. Step 4: Simplify right side
    250,741.92x = 27,557,324,684.16
  5. Step 5: Solve for x
    x = 27,557,324,684.16/250,741.92
  6. Step 6: Final answer
    x = 109,903.14

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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.