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Finding the Fourth Proportional to 236,181, 325,937.64 and 140,674.71

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Solution

The fourth proportional to 236,181, 325,937.64 and 140,674.71 is: 194,135.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,181 : 325,937.64 = 140,674.71 : x
  2. Step 2: Convert to fraction form
    236,181/325,937.64 = 140,674.71/x
  3. Step 3: Cross multiply
    236,181x = 325,937.64 × 140,674.71
  4. Step 4: Simplify right side
    236,181x = 45,851,182,985.08
  5. Step 5: Solve for x
    x = 45,851,182,985.08/236,181
  6. Step 6: Final answer
    x = 194,135.78

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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.