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Finding the Fourth Proportional to 88,721, 133,097.34 and 29,560.04

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Solution

The fourth proportional to 88,721, 133,097.34 and 29,560.04 is: 44,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,721 : 133,097.34 = 29,560.04 : x
  2. Step 2: Convert to fraction form
    88,721/133,097.34 = 29,560.04/x
  3. Step 3: Cross multiply
    88,721x = 133,097.34 × 29,560.04
  4. Step 4: Simplify right side
    88,721x = 3,934,362,694.29
  5. Step 5: Solve for x
    x = 3,934,362,694.29/88,721
  6. Step 6: Final answer
    x = 44,345.34

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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.