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Finding the Fourth Proportional to 168,659.28, 232,743.24 and 93,206.16

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Solution

The fourth proportional to 168,659.28, 232,743.24 and 93,206.16 is: 128,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,659.28 : 232,743.24 = 93,206.16 : x
  2. Step 2: Convert to fraction form
    168,659.28/232,743.24 = 93,206.16/x
  3. Step 3: Cross multiply
    168,659.28x = 232,743.24 × 93,206.16
  4. Step 4: Simplify right side
    168,659.28x = 21,693,103,666.36
  5. Step 5: Solve for x
    x = 21,693,103,666.36/168,659.28
  6. Step 6: Final answer
    x = 128,620.87

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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.