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Finding the Fourth Proportional to 104,476.45, 144,239.03 and 63,655.97

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Solution

The fourth proportional to 104,476.45, 144,239.03 and 63,655.97 is: 87,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,476.45 : 144,239.03 = 63,655.97 : x
  2. Step 2: Convert to fraction form
    104,476.45/144,239.03 = 63,655.97/x
  3. Step 3: Cross multiply
    104,476.45x = 144,239.03 × 63,655.97
  4. Step 4: Simplify right side
    104,476.45x = 9,181,675,048.23
  5. Step 5: Solve for x
    x = 9,181,675,048.23/104,476.45
  6. Step 6: Final answer
    x = 87,882.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.