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Finding the Fourth Proportional to 168,790.28, 232,930.15 and 93,339.32

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Solution

The fourth proportional to 168,790.28, 232,930.15 and 93,339.32 is: 128,808.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,790.28 : 232,930.15 = 93,339.32 : x
  2. Step 2: Convert to fraction form
    168,790.28/232,930.15 = 93,339.32/x
  3. Step 3: Cross multiply
    168,790.28x = 232,930.15 × 93,339.32
  4. Step 4: Simplify right side
    168,790.28x = 21,741,540,410.50
  5. Step 5: Solve for x
    x = 21,741,540,410.50/168,790.28
  6. Step 6: Final answer
    x = 128,808.02

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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.