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Finding the Fourth Proportional to 101,227.44, 139,693.88 and 58,788.71

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Solution

The fourth proportional to 101,227.44, 139,693.88 and 58,788.71 is: 81,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,227.44 : 139,693.88 = 58,788.71 : x
  2. Step 2: Convert to fraction form
    101,227.44/139,693.88 = 58,788.71/x
  3. Step 3: Cross multiply
    101,227.44x = 139,693.88 × 58,788.71
  4. Step 4: Simplify right side
    101,227.44x = 8,212,422,007.68
  5. Step 5: Solve for x
    x = 8,212,422,007.68/101,227.44
  6. Step 6: Final answer
    x = 81,128.42

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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.