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Finding the Fourth Proportional to 250,765.78, 375,908.79 and 92,951.86

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Solution

The fourth proportional to 250,765.78, 375,908.79 and 92,951.86 is: 139,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,765.78 : 375,908.79 = 92,951.86 : x
  2. Step 2: Convert to fraction form
    250,765.78/375,908.79 = 92,951.86/x
  3. Step 3: Cross multiply
    250,765.78x = 375,908.79 × 92,951.86
  4. Step 4: Simplify right side
    250,765.78x = 34,941,421,220.85
  5. Step 5: Solve for x
    x = 34,941,421,220.85/250,765.78
  6. Step 6: Final answer
    x = 139,338.87

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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.