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Finding the Fourth Proportional to 372,622.56, 558,952.52 and 106,422.29

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Solution

The fourth proportional to 372,622.56, 558,952.52 and 106,422.29 is: 159,638.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,622.56 : 558,952.52 = 106,422.29 : x
  2. Step 2: Convert to fraction form
    372,622.56/558,952.52 = 106,422.29/x
  3. Step 3: Cross multiply
    372,622.56x = 558,952.52 × 106,422.29
  4. Step 4: Simplify right side
    372,622.56x = 59,485,003,852.80
  5. Step 5: Solve for x
    x = 59,485,003,852.80/372,622.56
  6. Step 6: Final answer
    x = 159,638.76

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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.