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Finding the Fourth Proportional to 223,271.28, 308,027.40 and 126,452.88

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Solution

The fourth proportional to 223,271.28, 308,027.40 and 126,452.88 is: 174,455.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,271.28 : 308,027.40 = 126,452.88 : x
  2. Step 2: Convert to fraction form
    223,271.28/308,027.40 = 126,452.88/x
  3. Step 3: Cross multiply
    223,271.28x = 308,027.40 × 126,452.88
  4. Step 4: Simplify right side
    223,271.28x = 38,950,951,848.91
  5. Step 5: Solve for x
    x = 38,950,951,848.91/223,271.28
  6. Step 6: Final answer
    x = 174,455.72

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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.