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Finding the Fourth Proportional to 89,969.53, 135,001.01 and 36,700.60

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Solution

The fourth proportional to 89,969.53, 135,001.01 and 36,700.60 is: 55,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,969.53 : 135,001.01 = 36,700.60 : x
  2. Step 2: Convert to fraction form
    89,969.53/135,001.01 = 36,700.60/x
  3. Step 3: Cross multiply
    89,969.53x = 135,001.01 × 36,700.60
  4. Step 4: Simplify right side
    89,969.53x = 4,954,618,067.61
  5. Step 5: Solve for x
    x = 4,954,618,067.61/89,969.53
  6. Step 6: Final answer
    x = 55,069.96

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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.