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Finding the Fourth Proportional to 82,763.52, 114,213.60 and 45,037.68

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Solution

The fourth proportional to 82,763.52, 114,213.60 and 45,037.68 is: 62,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,763.52 : 114,213.60 = 45,037.68 : x
  2. Step 2: Convert to fraction form
    82,763.52/114,213.60 = 45,037.68/x
  3. Step 3: Cross multiply
    82,763.52x = 114,213.60 × 45,037.68
  4. Step 4: Simplify right side
    82,763.52x = 5,143,915,568.45
  5. Step 5: Solve for x
    x = 5,143,915,568.45/82,763.52
  6. Step 6: Final answer
    x = 62,151.97

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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.