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Finding the Fourth Proportional to 168,606.32, 232,674 and 92,123.78

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Solution

The fourth proportional to 168,606.32, 232,674 and 92,123.78 is: 127,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,606.32 : 232,674 = 92,123.78 : x
  2. Step 2: Convert to fraction form
    168,606.32/232,674 = 92,123.78/x
  3. Step 3: Cross multiply
    168,606.32x = 232,674 × 92,123.78
  4. Step 4: Simplify right side
    168,606.32x = 21,434,808,387.72
  5. Step 5: Solve for x
    x = 21,434,808,387.72/168,606.32
  6. Step 6: Final answer
    x = 127,129.33

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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.