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Finding the Fourth Proportional to 223,612.96, 335,367.60 and 65,799.20

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Solution

The fourth proportional to 223,612.96, 335,367.60 and 65,799.20 is: 98,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,612.96 : 335,367.60 = 65,799.20 : x
  2. Step 2: Convert to fraction form
    223,612.96/335,367.60 = 65,799.20/x
  3. Step 3: Cross multiply
    223,612.96x = 335,367.60 × 65,799.20
  4. Step 4: Simplify right side
    223,612.96x = 22,066,919,785.92
  5. Step 5: Solve for x
    x = 22,066,919,785.92/223,612.96
  6. Step 6: Final answer
    x = 98,683.55

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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.