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Finding the Fourth Proportional to 81,224.58, 112,093.49 and 45,414.62

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Solution

The fourth proportional to 81,224.58, 112,093.49 and 45,414.62 is: 62,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,224.58 : 112,093.49 = 45,414.62 : x
  2. Step 2: Convert to fraction form
    81,224.58/112,093.49 = 45,414.62/x
  3. Step 3: Cross multiply
    81,224.58x = 112,093.49 × 45,414.62
  4. Step 4: Simplify right side
    81,224.58x = 5,090,683,226.24
  5. Step 5: Solve for x
    x = 5,090,683,226.24/81,224.58
  6. Step 6: Final answer
    x = 62,674.17

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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.