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Finding the Fourth Proportional to 82,850.70, 114,335.22 and 45,124.92

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Solution

The fourth proportional to 82,850.70, 114,335.22 and 45,124.92 is: 62,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,850.70 : 114,335.22 = 45,124.92 : x
  2. Step 2: Convert to fraction form
    82,850.70/114,335.22 = 45,124.92/x
  3. Step 3: Cross multiply
    82,850.70x = 114,335.22 × 45,124.92
  4. Step 4: Simplify right side
    82,850.70x = 5,159,367,655.68
  5. Step 5: Solve for x
    x = 5,159,367,655.68/82,850.70
  6. Step 6: Final answer
    x = 62,273.07

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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.