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Finding the Fourth Proportional to 223,501.20, 335,219.40 and 65,713.20

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Solution

The fourth proportional to 223,501.20, 335,219.40 and 65,713.20 is: 98,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,501.20 : 335,219.40 = 65,713.20 : x
  2. Step 2: Convert to fraction form
    223,501.20/335,219.40 = 65,713.20/x
  3. Step 3: Cross multiply
    223,501.20x = 335,219.40 × 65,713.20
  4. Step 4: Simplify right side
    223,501.20x = 22,028,339,476.08
  5. Step 5: Solve for x
    x = 22,028,339,476.08/223,501.20
  6. Step 6: Final answer
    x = 98,560.27

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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.