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Finding the Fourth Proportional to 82,705.38, 114,134.30 and 44,980.44

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Solution

The fourth proportional to 82,705.38, 114,134.30 and 44,980.44 is: 62,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,705.38 : 114,134.30 = 44,980.44 : x
  2. Step 2: Convert to fraction form
    82,705.38/114,134.30 = 44,980.44/x
  3. Step 3: Cross multiply
    82,705.38x = 114,134.30 × 44,980.44
  4. Step 4: Simplify right side
    82,705.38x = 5,133,811,033.09
  5. Step 5: Solve for x
    x = 5,133,811,033.09/82,705.38
  6. Step 6: Final answer
    x = 62,073.48

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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.