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Finding the Fourth Proportional to 63,505.31, 95,238.51 and 43,909.79

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Solution

The fourth proportional to 63,505.31, 95,238.51 and 43,909.79 is: 65,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,505.31 : 95,238.51 = 43,909.79 : x
  2. Step 2: Convert to fraction form
    63,505.31/95,238.51 = 43,909.79/x
  3. Step 3: Cross multiply
    63,505.31x = 95,238.51 × 43,909.79
  4. Step 4: Simplify right side
    63,505.31x = 4,181,902,497.82
  5. Step 5: Solve for x
    x = 4,181,902,497.82/63,505.31
  6. Step 6: Final answer
    x = 65,851.23

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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.