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Finding the Fourth Proportional to 169,468.82, 233,859.12 and 92,986.01

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Solution

The fourth proportional to 169,468.82, 233,859.12 and 92,986.01 is: 128,316.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,468.82 : 233,859.12 = 92,986.01 : x
  2. Step 2: Convert to fraction form
    169,468.82/233,859.12 = 92,986.01/x
  3. Step 3: Cross multiply
    169,468.82x = 233,859.12 × 92,986.01
  4. Step 4: Simplify right side
    169,468.82x = 21,745,625,301.62
  5. Step 5: Solve for x
    x = 21,745,625,301.62/169,468.82
  6. Step 6: Final answer
    x = 128,316.38

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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.