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Finding the Fourth Proportional to 150,755.34, 225,837.45 and 87,442.46

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Solution

The fourth proportional to 150,755.34, 225,837.45 and 87,442.46 is: 130,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,755.34 : 225,837.45 = 87,442.46 : x
  2. Step 2: Convert to fraction form
    150,755.34/225,837.45 = 87,442.46/x
  3. Step 3: Cross multiply
    150,755.34x = 225,837.45 × 87,442.46
  4. Step 4: Simplify right side
    150,755.34x = 19,747,781,058.94
  5. Step 5: Solve for x
    x = 19,747,781,058.94/150,755.34
  6. Step 6: Final answer
    x = 130,992.25

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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.