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Finding the Fourth Proportional to 231,280.80, 346,930.80 and 73,504.80

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Solution

The fourth proportional to 231,280.80, 346,930.80 and 73,504.80 is: 110,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,280.80 : 346,930.80 = 73,504.80 : x
  2. Step 2: Convert to fraction form
    231,280.80/346,930.80 = 73,504.80/x
  3. Step 3: Cross multiply
    231,280.80x = 346,930.80 × 73,504.80
  4. Step 4: Simplify right side
    231,280.80x = 25,501,079,067.84
  5. Step 5: Solve for x
    x = 25,501,079,067.84/231,280.80
  6. Step 6: Final answer
    x = 110,260.25

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1.5x scale

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.