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Finding the Fourth Proportional to 136,778.63, 204,747.51 and 116,600.47

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Solution

The fourth proportional to 136,778.63, 204,747.51 and 116,600.47 is: 174,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,778.63 : 204,747.51 = 116,600.47 : x
  2. Step 2: Convert to fraction form
    136,778.63/204,747.51 = 116,600.47/x
  3. Step 3: Cross multiply
    136,778.63x = 204,747.51 × 116,600.47
  4. Step 4: Simplify right side
    136,778.63x = 23,873,655,822.71
  5. Step 5: Solve for x
    x = 23,873,655,822.71/136,778.63
  6. Step 6: Final answer
    x = 174,542.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.