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Finding the Fourth Proportional to 107,955.87, 148,979.37 and 60,212.31

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Solution

The fourth proportional to 107,955.87, 148,979.37 and 60,212.31 is: 83,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,955.87 : 148,979.37 = 60,212.31 : x
  2. Step 2: Convert to fraction form
    107,955.87/148,979.37 = 60,212.31/x
  3. Step 3: Cross multiply
    107,955.87x = 148,979.37 × 60,212.31
  4. Step 4: Simplify right side
    107,955.87x = 8,970,392,010.04
  5. Step 5: Solve for x
    x = 8,970,392,010.04/107,955.87
  6. Step 6: Final answer
    x = 83,093.14

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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.