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Finding the Fourth Proportional to 169,354.32, 233,712.17 and 92,868.86

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Solution

The fourth proportional to 169,354.32, 233,712.17 and 92,868.86 is: 128,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,354.32 : 233,712.17 = 92,868.86 : x
  2. Step 2: Convert to fraction form
    169,354.32/233,712.17 = 92,868.86/x
  3. Step 3: Cross multiply
    169,354.32x = 233,712.17 × 92,868.86
  4. Step 4: Simplify right side
    169,354.32x = 21,704,583,679.68
  5. Step 5: Solve for x
    x = 21,704,583,679.68/169,354.32
  6. Step 6: Final answer
    x = 128,160.79

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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.