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Finding the Fourth Proportional to 84,846.56, 117,086.04 and 47,118.38

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Solution

The fourth proportional to 84,846.56, 117,086.04 and 47,118.38 is: 65,022.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,846.56 : 117,086.04 = 47,118.38 : x
  2. Step 2: Convert to fraction form
    84,846.56/117,086.04 = 47,118.38/x
  3. Step 3: Cross multiply
    84,846.56x = 117,086.04 × 47,118.38
  4. Step 4: Simplify right side
    84,846.56x = 5,516,903,939.99
  5. Step 5: Solve for x
    x = 5,516,903,939.99/84,846.56
  6. Step 6: Final answer
    x = 65,022.13

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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.