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Finding the Fourth Proportional to 223,606.74, 335,412.45 and 65,838.18

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Solution

The fourth proportional to 223,606.74, 335,412.45 and 65,838.18 is: 98,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,606.74 : 335,412.45 = 65,838.18 : x
  2. Step 2: Convert to fraction form
    223,606.74/335,412.45 = 65,838.18/x
  3. Step 3: Cross multiply
    223,606.74x = 335,412.45 × 65,838.18
  4. Step 4: Simplify right side
    223,606.74x = 22,082,945,257.34
  5. Step 5: Solve for x
    x = 22,082,945,257.34/223,606.74
  6. Step 6: Final answer
    x = 98,757.96

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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.