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Finding the Fourth Proportional to 223,844.81, 335,803.68 and 66,089.21

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Solution

The fourth proportional to 223,844.81, 335,803.68 and 66,089.21 is: 99,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,844.81 : 335,803.68 = 66,089.21 : x
  2. Step 2: Convert to fraction form
    223,844.81/335,803.68 = 66,089.21/x
  3. Step 3: Cross multiply
    223,844.81x = 335,803.68 × 66,089.21
  4. Step 4: Simplify right side
    223,844.81x = 22,192,998,247.27
  5. Step 5: Solve for x
    x = 22,192,998,247.27/223,844.81
  6. Step 6: Final answer
    x = 99,144.58

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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.