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Finding the Fourth Proportional to 82,640.96, 114,012.96 and 50,799.68

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Solution

The fourth proportional to 82,640.96, 114,012.96 and 50,799.68 is: 70,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,640.96 : 114,012.96 = 50,799.68 : x
  2. Step 2: Convert to fraction form
    82,640.96/114,012.96 = 50,799.68/x
  3. Step 3: Cross multiply
    82,640.96x = 114,012.96 × 50,799.68
  4. Step 4: Simplify right side
    82,640.96x = 5,791,821,883.85
  5. Step 5: Solve for x
    x = 5,791,821,883.85/82,640.96
  6. Step 6: Final answer
    x = 70,084.16

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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.