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Finding the Fourth Proportional to 168,156.81, 232,054.88 and 92,705.31

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Solution

The fourth proportional to 168,156.81, 232,054.88 and 92,705.31 is: 127,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,156.81 : 232,054.88 = 92,705.31 : x
  2. Step 2: Convert to fraction form
    168,156.81/232,054.88 = 92,705.31/x
  3. Step 3: Cross multiply
    168,156.81x = 232,054.88 × 92,705.31
  4. Step 4: Simplify right side
    168,156.81x = 21,512,719,123.89
  5. Step 5: Solve for x
    x = 21,512,719,123.89/168,156.81
  6. Step 6: Final answer
    x = 127,932.49

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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.