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Finding the Fourth Proportional to 223,404.60, 335,139.30 and 73,619.40

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Solution

The fourth proportional to 223,404.60, 335,139.30 and 73,619.40 is: 110,439.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,404.60 : 335,139.30 = 73,619.40 : x
  2. Step 2: Convert to fraction form
    223,404.60/335,139.30 = 73,619.40/x
  3. Step 3: Cross multiply
    223,404.60x = 335,139.30 × 73,619.40
  4. Step 4: Simplify right side
    223,404.60x = 24,672,754,182.42
  5. Step 5: Solve for x
    x = 24,672,754,182.42/223,404.60
  6. Step 6: Final answer
    x = 110,439.78

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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.