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Finding the Fourth Proportional to 119,256, 164,573.28 and 68,958.24

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Solution

The fourth proportional to 119,256, 164,573.28 and 68,958.24 is: 95,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,256 : 164,573.28 = 68,958.24 : x
  2. Step 2: Convert to fraction form
    119,256/164,573.28 = 68,958.24/x
  3. Step 3: Cross multiply
    119,256x = 164,573.28 × 68,958.24
  4. Step 4: Simplify right side
    119,256x = 11,348,683,739.83
  5. Step 5: Solve for x
    x = 11,348,683,739.83/119,256
  6. Step 6: Final answer
    x = 95,162.37

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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.