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Finding the Fourth Proportional to 150,501.82, 225,734.28 and 87,356.34

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Solution

The fourth proportional to 150,501.82, 225,734.28 and 87,356.34 is: 131,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,501.82 : 225,734.28 = 87,356.34 : x
  2. Step 2: Convert to fraction form
    150,501.82/225,734.28 = 87,356.34/x
  3. Step 3: Cross multiply
    150,501.82x = 225,734.28 × 87,356.34
  4. Step 4: Simplify right side
    150,501.82x = 19,719,320,513.34
  5. Step 5: Solve for x
    x = 19,719,320,513.34/150,501.82
  6. Step 6: Final answer
    x = 131,023.80

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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.