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Finding the Fourth Proportional to 168,145.81, 232,039.69 and 92,694.31

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Solution

The fourth proportional to 168,145.81, 232,039.69 and 92,694.31 is: 127,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,145.81 : 232,039.69 = 92,694.31 : x
  2. Step 2: Convert to fraction form
    168,145.81/232,039.69 = 92,694.31/x
  3. Step 3: Cross multiply
    168,145.81x = 232,039.69 × 92,694.31
  4. Step 4: Simplify right side
    168,145.81x = 21,508,758,957.16
  5. Step 5: Solve for x
    x = 21,508,758,957.16/168,145.81
  6. Step 6: Final answer
    x = 127,917.31

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1.5x scale

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.