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Finding the Fourth Proportional to 89,901.97, 134,913.13 and 37,311.44

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Solution

The fourth proportional to 89,901.97, 134,913.13 and 37,311.44 is: 55,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,901.97 : 134,913.13 = 37,311.44 : x
  2. Step 2: Convert to fraction form
    89,901.97/134,913.13 = 37,311.44/x
  3. Step 3: Cross multiply
    89,901.97x = 134,913.13 × 37,311.44
  4. Step 4: Simplify right side
    89,901.97x = 5,033,802,387.36
  5. Step 5: Solve for x
    x = 5,033,802,387.36/89,901.97
  6. Step 6: Final answer
    x = 55,992.13

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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.