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Finding the Fourth Proportional to 169,358.32, 233,717.70 and 92,872.86

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Solution

The fourth proportional to 169,358.32, 233,717.70 and 92,872.86 is: 128,166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,358.32 : 233,717.70 = 92,872.86 : x
  2. Step 2: Convert to fraction form
    169,358.32/233,717.70 = 92,872.86/x
  3. Step 3: Cross multiply
    169,358.32x = 233,717.70 × 92,872.86
  4. Step 4: Simplify right side
    169,358.32x = 21,706,031,231.62
  5. Step 5: Solve for x
    x = 21,706,031,231.62/169,358.32
  6. Step 6: Final answer
    x = 128,166.31

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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.