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Finding the Fourth Proportional to 223,579.30, 335,332.48 and 65,770.86

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Solution

The fourth proportional to 223,579.30, 335,332.48 and 65,770.86 is: 98,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,579.30 : 335,332.48 = 65,770.86 : x
  2. Step 2: Convert to fraction form
    223,579.30/335,332.48 = 65,770.86/x
  3. Step 3: Cross multiply
    223,579.30x = 335,332.48 × 65,770.86
  4. Step 4: Simplify right side
    223,579.30x = 22,055,105,595.53
  5. Step 5: Solve for x
    x = 22,055,105,595.53/223,579.30
  6. Step 6: Final answer
    x = 98,645.56

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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.