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Finding the Fourth Proportional to 230,991.52, 346,530.48 and 73,177.60

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Solution

The fourth proportional to 230,991.52, 346,530.48 and 73,177.60 is: 109,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,991.52 : 346,530.48 = 73,177.60 : x
  2. Step 2: Convert to fraction form
    230,991.52/346,530.48 = 73,177.60/x
  3. Step 3: Cross multiply
    230,991.52x = 346,530.48 × 73,177.60
  4. Step 4: Simplify right side
    230,991.52x = 25,358,268,853.25
  5. Step 5: Solve for x
    x = 25,358,268,853.25/230,991.52
  6. Step 6: Final answer
    x = 109,780.09

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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.