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Finding the Fourth Proportional to 82,896.84, 114,397.79 and 45,171.09

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Solution

The fourth proportional to 82,896.84, 114,397.79 and 45,171.09 is: 62,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,896.84 : 114,397.79 = 45,171.09 : x
  2. Step 2: Convert to fraction form
    82,896.84/114,397.79 = 45,171.09/x
  3. Step 3: Cross multiply
    82,896.84x = 114,397.79 × 45,171.09
  4. Step 4: Simplify right side
    82,896.84x = 5,167,472,642.04
  5. Step 5: Solve for x
    x = 5,167,472,642.04/82,896.84
  6. Step 6: Final answer
    x = 62,336.18

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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.