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Finding the Fourth Proportional to 104,001.93, 155,978.91 and 29,127.36

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Solution

The fourth proportional to 104,001.93, 155,978.91 and 29,127.36 is: 43,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,001.93 : 155,978.91 = 29,127.36 : x
  2. Step 2: Convert to fraction form
    104,001.93/155,978.91 = 29,127.36/x
  3. Step 3: Cross multiply
    104,001.93x = 155,978.91 × 29,127.36
  4. Step 4: Simplify right side
    104,001.93x = 4,543,253,863.98
  5. Step 5: Solve for x
    x = 4,543,253,863.98/104,001.93
  6. Step 6: Final answer
    x = 43,684.32

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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.