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Finding the Fourth Proportional to 173,988, 260,795.43 and 113,993.82

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Solution

The fourth proportional to 173,988, 260,795.43 and 113,993.82 is: 170,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,988 : 260,795.43 = 113,993.82 : x
  2. Step 2: Convert to fraction form
    173,988/260,795.43 = 113,993.82/x
  3. Step 3: Cross multiply
    173,988x = 260,795.43 × 113,993.82
  4. Step 4: Simplify right side
    173,988x = 29,729,067,304.24
  5. Step 5: Solve for x
    x = 29,729,067,304.24/173,988
  6. Step 6: Final answer
    x = 170,868.49

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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.