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Finding the Fourth Proportional to 230,340.96, 317,761.92 and 134,789.04

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Solution

The fourth proportional to 230,340.96, 317,761.92 and 134,789.04 is: 185,945.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,340.96 : 317,761.92 = 134,789.04 : x
  2. Step 2: Convert to fraction form
    230,340.96/317,761.92 = 134,789.04/x
  3. Step 3: Cross multiply
    230,340.96x = 317,761.92 × 134,789.04
  4. Step 4: Simplify right side
    230,340.96x = 42,830,824,145.36
  5. Step 5: Solve for x
    x = 42,830,824,145.36/230,340.96
  6. Step 6: Final answer
    x = 185,945.32

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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.