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Finding the Fourth Proportional to 89,891, 134,836.02 and 23,331.08

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Solution

The fourth proportional to 89,891, 134,836.02 and 23,331.08 is: 34,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,891 : 134,836.02 = 23,331.08 : x
  2. Step 2: Convert to fraction form
    89,891/134,836.02 = 23,331.08/x
  3. Step 3: Cross multiply
    89,891x = 134,836.02 × 23,331.08
  4. Step 4: Simplify right side
    89,891x = 3,145,869,969.50
  5. Step 5: Solve for x
    x = 3,145,869,969.50/89,891
  6. Step 6: Final answer
    x = 34,996.50

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Double scale
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Similar ratio
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1.5x scale

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.