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Finding the Fourth Proportional to 251,035.54, 376,553.40 and 157,606.90

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Solution

The fourth proportional to 251,035.54, 376,553.40 and 157,606.90 is: 236,410.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,035.54 : 376,553.40 = 157,606.90 : x
  2. Step 2: Convert to fraction form
    251,035.54/376,553.40 = 157,606.90/x
  3. Step 3: Cross multiply
    251,035.54x = 376,553.40 × 157,606.90
  4. Step 4: Simplify right side
    251,035.54x = 59,347,414,058.46
  5. Step 5: Solve for x
    x = 59,347,414,058.46/251,035.54
  6. Step 6: Final answer
    x = 236,410.41

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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.