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Finding the Fourth Proportional to 84,136.67, 116,110.80 and 45,896.87

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Solution

The fourth proportional to 84,136.67, 116,110.80 and 45,896.87 is: 63,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,136.67 : 116,110.80 = 45,896.87 : x
  2. Step 2: Convert to fraction form
    84,136.67/116,110.80 = 45,896.87/x
  3. Step 3: Cross multiply
    84,136.67x = 116,110.80 × 45,896.87
  4. Step 4: Simplify right side
    84,136.67x = 5,329,122,293.20
  5. Step 5: Solve for x
    x = 5,329,122,293.20/84,136.67
  6. Step 6: Final answer
    x = 63,338.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.