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Finding the Fourth Proportional to 236,751.52, 326,726.80 and 136,149.52

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Solution

The fourth proportional to 236,751.52, 326,726.80 and 136,149.52 is: 187,891.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,751.52 : 326,726.80 = 136,149.52 : x
  2. Step 2: Convert to fraction form
    236,751.52/326,726.80 = 136,149.52/x
  3. Step 3: Cross multiply
    236,751.52x = 326,726.80 × 136,149.52
  4. Step 4: Simplify right side
    236,751.52x = 44,483,696,991.14
  5. Step 5: Solve for x
    x = 44,483,696,991.14/236,751.52
  6. Step 6: Final answer
    x = 187,891.92

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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.