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Finding the Fourth Proportional to 66,149.84, 91,310.28 and 43,801.04

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Solution

The fourth proportional to 66,149.84, 91,310.28 and 43,801.04 is: 60,461.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,149.84 : 91,310.28 = 43,801.04 : x
  2. Step 2: Convert to fraction form
    66,149.84/91,310.28 = 43,801.04/x
  3. Step 3: Cross multiply
    66,149.84x = 91,310.28 × 43,801.04
  4. Step 4: Simplify right side
    66,149.84x = 3,999,485,226.69
  5. Step 5: Solve for x
    x = 3,999,485,226.69/66,149.84
  6. Step 6: Final answer
    x = 60,461.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.