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Finding the Fourth Proportional to 223,777.82, 335,666.31 and 66,117.02

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Solution

The fourth proportional to 223,777.82, 335,666.31 and 66,117.02 is: 99,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,777.82 : 335,666.31 = 66,117.02 : x
  2. Step 2: Convert to fraction form
    223,777.82/335,666.31 = 66,117.02/x
  3. Step 3: Cross multiply
    223,777.82x = 335,666.31 × 66,117.02
  4. Step 4: Simplify right side
    223,777.82x = 22,193,256,131.60
  5. Step 5: Solve for x
    x = 22,193,256,131.60/223,777.82
  6. Step 6: Final answer
    x = 99,175.41

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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.