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Finding the Fourth Proportional to 169,165.26, 233,451.72 and 92,689.92

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Solution

The fourth proportional to 169,165.26, 233,451.72 and 92,689.92 is: 127,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,165.26 : 233,451.72 = 92,689.92 : x
  2. Step 2: Convert to fraction form
    169,165.26/233,451.72 = 92,689.92/x
  3. Step 3: Cross multiply
    169,165.26x = 233,451.72 × 92,689.92
  4. Step 4: Simplify right side
    169,165.26x = 21,638,621,250.66
  5. Step 5: Solve for x
    x = 21,638,621,250.66/169,165.26
  6. Step 6: Final answer
    x = 127,914.10

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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.