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Finding the Fourth Proportional to 89,967.53, 134,998.01 and 36,698.60

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Solution

The fourth proportional to 89,967.53, 134,998.01 and 36,698.60 is: 55,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,967.53 : 134,998.01 = 36,698.60 : x
  2. Step 2: Convert to fraction form
    89,967.53/134,998.01 = 36,698.60/x
  3. Step 3: Cross multiply
    89,967.53x = 134,998.01 × 36,698.60
  4. Step 4: Simplify right side
    89,967.53x = 4,954,237,786.29
  5. Step 5: Solve for x
    x = 4,954,237,786.29/89,967.53
  6. Step 6: Final answer
    x = 55,066.95

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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.