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Finding the Fourth Proportional to 251,034.54, 376,551.90 and 157,605.90

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Solution

The fourth proportional to 251,034.54, 376,551.90 and 157,605.90 is: 236,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,034.54 : 376,551.90 = 157,605.90 : x
  2. Step 2: Convert to fraction form
    251,034.54/376,551.90 = 157,605.90/x
  3. Step 3: Cross multiply
    251,034.54x = 376,551.90 × 157,605.90
  4. Step 4: Simplify right side
    251,034.54x = 59,346,801,096.21
  5. Step 5: Solve for x
    x = 59,346,801,096.21/251,034.54
  6. Step 6: Final answer
    x = 236,408.91

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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.