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Finding the Fourth Proportional to 251,393.68, 377,155.32 and 73,906.48

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Solution

The fourth proportional to 251,393.68, 377,155.32 and 73,906.48 is: 110,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,393.68 : 377,155.32 = 73,906.48 : x
  2. Step 2: Convert to fraction form
    251,393.68/377,155.32 = 73,906.48/x
  3. Step 3: Cross multiply
    251,393.68x = 377,155.32 × 73,906.48
  4. Step 4: Simplify right side
    251,393.68x = 27,874,222,114.47
  5. Step 5: Solve for x
    x = 27,874,222,114.47/251,393.68
  6. Step 6: Final answer
    x = 110,878.77

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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.