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Finding the Fourth Proportional to 82,960.68, 124,287.51 and 45,464.97

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Solution

The fourth proportional to 82,960.68, 124,287.51 and 45,464.97 is: 68,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,960.68 : 124,287.51 = 45,464.97 : x
  2. Step 2: Convert to fraction form
    82,960.68/124,287.51 = 45,464.97/x
  3. Step 3: Cross multiply
    82,960.68x = 124,287.51 × 45,464.97
  4. Step 4: Simplify right side
    82,960.68x = 5,650,727,913.52
  5. Step 5: Solve for x
    x = 5,650,727,913.52/82,960.68
  6. Step 6: Final answer
    x = 68,113.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.