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Finding the Fourth Proportional to 356,754.49, 535,221.03 and 104,035

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Solution

The fourth proportional to 356,754.49, 535,221.03 and 104,035 is: 156,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,754.49 : 535,221.03 = 104,035 : x
  2. Step 2: Convert to fraction form
    356,754.49/535,221.03 = 104,035/x
  3. Step 3: Cross multiply
    356,754.49x = 535,221.03 × 104,035
  4. Step 4: Simplify right side
    356,754.49x = 55,681,719,856.05
  5. Step 5: Solve for x
    x = 55,681,719,856.05/356,754.49
  6. Step 6: Final answer
    x = 156,078.54

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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.