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Finding the Fourth Proportional to 97,860, 146,790 and 23,988

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Solution

The fourth proportional to 97,860, 146,790 and 23,988 is: 35,982

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,860 : 146,790 = 23,988 : x
  2. Step 2: Convert to fraction form
    97,860/146,790 = 23,988/x
  3. Step 3: Cross multiply
    97,860x = 146,790 × 23,988
  4. Step 4: Simplify right side
    97,860x = 3,521,198,520
  5. Step 5: Solve for x
    x = 3,521,198,520/97,860
  6. Step 6: Final answer
    x = 35,982

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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.