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Finding the Fourth Proportional to 223,813.42, 335,781.70 and 66,041.87

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Solution

The fourth proportional to 223,813.42, 335,781.70 and 66,041.87 is: 99,080.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,813.42 : 335,781.70 = 66,041.87 : x
  2. Step 2: Convert to fraction form
    223,813.42/335,781.70 = 66,041.87/x
  3. Step 3: Cross multiply
    223,813.42x = 335,781.70 × 66,041.87
  4. Step 4: Simplify right side
    223,813.42x = 22,175,651,889.02
  5. Step 5: Solve for x
    x = 22,175,651,889.02/223,813.42
  6. Step 6: Final answer
    x = 99,080.97

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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.