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Finding the Fourth Proportional to 162,094.20, 223,694.22 and 90,473.88

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Solution

The fourth proportional to 162,094.20, 223,694.22 and 90,473.88 is: 124,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,094.20 : 223,694.22 = 90,473.88 : x
  2. Step 2: Convert to fraction form
    162,094.20/223,694.22 = 90,473.88/x
  3. Step 3: Cross multiply
    162,094.20x = 223,694.22 × 90,473.88
  4. Step 4: Simplify right side
    162,094.20x = 20,238,484,016.97
  5. Step 5: Solve for x
    x = 20,238,484,016.97/162,094.20
  6. Step 6: Final answer
    x = 124,856.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.