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Finding the Fourth Proportional to 103,995.37, 155,956.56 and 29,095.39

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Solution

The fourth proportional to 103,995.37, 155,956.56 and 29,095.39 is: 43,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,995.37 : 155,956.56 = 29,095.39 : x
  2. Step 2: Convert to fraction form
    103,995.37/155,956.56 = 29,095.39/x
  3. Step 3: Cross multiply
    103,995.37x = 155,956.56 × 29,095.39
  4. Step 4: Simplify right side
    103,995.37x = 4,537,616,936.26
  5. Step 5: Solve for x
    x = 4,537,616,936.26/103,995.37
  6. Step 6: Final answer
    x = 43,632.87

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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.