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Finding the Fourth Proportional to 63,174.75, 94,769.81 and 19,398.75

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Solution

The fourth proportional to 63,174.75, 94,769.81 and 19,398.75 is: 29,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,174.75 : 94,769.81 = 19,398.75 : x
  2. Step 2: Convert to fraction form
    63,174.75/94,769.81 = 19,398.75/x
  3. Step 3: Cross multiply
    63,174.75x = 94,769.81 × 19,398.75
  4. Step 4: Simplify right side
    63,174.75x = 1,838,415,754.74
  5. Step 5: Solve for x
    x = 1,838,415,754.74/63,174.75
  6. Step 6: Final answer
    x = 29,100.48

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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.