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Finding the Fourth Proportional to 66,247.88, 99,410.09 and 35,083.13

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Solution

The fourth proportional to 66,247.88, 99,410.09 and 35,083.13 is: 52,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,247.88 : 99,410.09 = 35,083.13 : x
  2. Step 2: Convert to fraction form
    66,247.88/99,410.09 = 35,083.13/x
  3. Step 3: Cross multiply
    66,247.88x = 99,410.09 × 35,083.13
  4. Step 4: Simplify right side
    66,247.88x = 3,487,616,438.32
  5. Step 5: Solve for x
    x = 3,487,616,438.32/66,247.88
  6. Step 6: Final answer
    x = 52,644.96

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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.