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Finding the Fourth Proportional to 82,568.84, 123,900.92 and 44,618.24

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Solution

The fourth proportional to 82,568.84, 123,900.92 and 44,618.24 is: 66,953.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,568.84 : 123,900.92 = 44,618.24 : x
  2. Step 2: Convert to fraction form
    82,568.84/123,900.92 = 44,618.24/x
  3. Step 3: Cross multiply
    82,568.84x = 123,900.92 × 44,618.24
  4. Step 4: Simplify right side
    82,568.84x = 5,528,240,476.82
  5. Step 5: Solve for x
    x = 5,528,240,476.82/82,568.84
  6. Step 6: Final answer
    x = 66,953.11

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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.