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Finding the Fourth Proportional to 66,132, 99,198.54 and 24,579

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Solution

The fourth proportional to 66,132, 99,198.54 and 24,579 is: 36,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,132 : 99,198.54 = 24,579 : x
  2. Step 2: Convert to fraction form
    66,132/99,198.54 = 24,579/x
  3. Step 3: Cross multiply
    66,132x = 99,198.54 × 24,579
  4. Step 4: Simplify right side
    66,132x = 2,438,200,914.66
  5. Step 5: Solve for x
    x = 2,438,200,914.66/66,132
  6. Step 6: Final answer
    x = 36,868.70

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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.