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Finding the Fourth Proportional to 66,264.97, 99,321.47 and 32,910.49

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Solution

The fourth proportional to 66,264.97, 99,321.47 and 32,910.49 is: 49,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,264.97 : 99,321.47 = 32,910.49 : x
  2. Step 2: Convert to fraction form
    66,264.97/99,321.47 = 32,910.49/x
  3. Step 3: Cross multiply
    66,264.97x = 99,321.47 × 32,910.49
  4. Step 4: Simplify right side
    66,264.97x = 3,268,718,245.22
  5. Step 5: Solve for x
    x = 3,268,718,245.22/66,264.97
  6. Step 6: Final answer
    x = 49,328.00

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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.