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Finding the Fourth Proportional to 116,776.35, 175,375.92 and 107,399.58

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Solution

The fourth proportional to 116,776.35, 175,375.92 and 107,399.58 is: 161,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,776.35 : 175,375.92 = 107,399.58 : x
  2. Step 2: Convert to fraction form
    116,776.35/175,375.92 = 107,399.58/x
  3. Step 3: Cross multiply
    116,776.35x = 175,375.92 × 107,399.58
  4. Step 4: Simplify right side
    116,776.35x = 18,835,300,150.11
  5. Step 5: Solve for x
    x = 18,835,300,150.11/116,776.35
  6. Step 6: Final answer
    x = 161,293.79

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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.