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Finding the Fourth Proportional to 250,778.63, 376,189.81 and 63,790.13

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Solution

The fourth proportional to 250,778.63, 376,189.81 and 63,790.13 is: 95,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,778.63 : 376,189.81 = 63,790.13 : x
  2. Step 2: Convert to fraction form
    250,778.63/376,189.81 = 63,790.13/x
  3. Step 3: Cross multiply
    250,778.63x = 376,189.81 × 63,790.13
  4. Step 4: Simplify right side
    250,778.63x = 23,997,194,844.15
  5. Step 5: Solve for x
    x = 23,997,194,844.15/250,778.63
  6. Step 6: Final answer
    x = 95,690.75

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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.