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Finding the Fourth Proportional to 113,796.48, 170,743.92 and 43,659.39

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Solution

The fourth proportional to 113,796.48, 170,743.92 and 43,659.39 is: 65,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,796.48 : 170,743.92 = 43,659.39 : x
  2. Step 2: Convert to fraction form
    113,796.48/170,743.92 = 43,659.39/x
  3. Step 3: Cross multiply
    113,796.48x = 170,743.92 × 43,659.39
  4. Step 4: Simplify right side
    113,796.48x = 7,454,575,393.41
  5. Step 5: Solve for x
    x = 7,454,575,393.41/113,796.48
  6. Step 6: Final answer
    x = 65,507.96

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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.