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Finding the Fourth Proportional to 372,256.56, 558,378.36 and 106,019.28

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Solution

The fourth proportional to 372,256.56, 558,378.36 and 106,019.28 is: 159,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,256.56 : 558,378.36 = 106,019.28 : x
  2. Step 2: Convert to fraction form
    372,256.56/558,378.36 = 106,019.28/x
  3. Step 3: Cross multiply
    372,256.56x = 558,378.36 × 106,019.28
  4. Step 4: Simplify right side
    372,256.56x = 59,198,871,694.78
  5. Step 5: Solve for x
    x = 59,198,871,694.78/372,256.56
  6. Step 6: Final answer
    x = 159,027.07

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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.