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Finding the Fourth Proportional to 77,896.61, 116,844.91 and 44,593.21

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Solution

The fourth proportional to 77,896.61, 116,844.91 and 44,593.21 is: 66,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,896.61 : 116,844.91 = 44,593.21 : x
  2. Step 2: Convert to fraction form
    77,896.61/116,844.91 = 44,593.21/x
  3. Step 3: Cross multiply
    77,896.61x = 116,844.91 × 44,593.21
  4. Step 4: Simplify right side
    77,896.61x = 5,210,489,609.06
  5. Step 5: Solve for x
    x = 5,210,489,609.06/77,896.61
  6. Step 6: Final answer
    x = 66,889.81

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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.