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Finding the Fourth Proportional to 99,297.26, 148,899.10 and 36,072.80

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Solution

The fourth proportional to 99,297.26, 148,899.10 and 36,072.80 is: 54,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,297.26 : 148,899.10 = 36,072.80 : x
  2. Step 2: Convert to fraction form
    99,297.26/148,899.10 = 36,072.80/x
  3. Step 3: Cross multiply
    99,297.26x = 148,899.10 × 36,072.80
  4. Step 4: Simplify right side
    99,297.26x = 5,371,207,454.48
  5. Step 5: Solve for x
    x = 5,371,207,454.48/99,297.26
  6. Step 6: Final answer
    x = 54,092.20

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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.