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Finding the Fourth Proportional to 73,540.22, 101,429.90 and 50,917.08

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Solution

The fourth proportional to 73,540.22, 101,429.90 and 50,917.08 is: 70,227.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,540.22 : 101,429.90 = 50,917.08 : x
  2. Step 2: Convert to fraction form
    73,540.22/101,429.90 = 50,917.08/x
  3. Step 3: Cross multiply
    73,540.22x = 101,429.90 × 50,917.08
  4. Step 4: Simplify right side
    73,540.22x = 5,164,514,332.69
  5. Step 5: Solve for x
    x = 5,164,514,332.69/73,540.22
  6. Step 6: Final answer
    x = 70,227.07

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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.