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Finding the Fourth Proportional to 236,199.78, 325,981.26 and 145,536.48

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Solution

The fourth proportional to 236,199.78, 325,981.26 and 145,536.48 is: 200,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,199.78 : 325,981.26 = 145,536.48 : x
  2. Step 2: Convert to fraction form
    236,199.78/325,981.26 = 145,536.48/x
  3. Step 3: Cross multiply
    236,199.78x = 325,981.26 × 145,536.48
  4. Step 4: Simplify right side
    236,199.78x = 47,442,165,126.36
  5. Step 5: Solve for x
    x = 47,442,165,126.36/236,199.78
  6. Step 6: Final answer
    x = 200,856.09

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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.