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Finding the Fourth Proportional to 250,939.80, 376,403.54 and 61,398.66

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Solution

The fourth proportional to 250,939.80, 376,403.54 and 61,398.66 is: 92,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,939.80 : 376,403.54 = 61,398.66 : x
  2. Step 2: Convert to fraction form
    250,939.80/376,403.54 = 61,398.66/x
  3. Step 3: Cross multiply
    250,939.80x = 376,403.54 × 61,398.66
  4. Step 4: Simplify right side
    250,939.80x = 23,110,672,566.90
  5. Step 5: Solve for x
    x = 23,110,672,566.90/250,939.80
  6. Step 6: Final answer
    x = 92,096.48

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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.