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Finding the Fourth Proportional to 168,610.68, 232,675.54 and 92,128.57

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Solution

The fourth proportional to 168,610.68, 232,675.54 and 92,128.57 is: 127,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,610.68 : 232,675.54 = 92,128.57 : x
  2. Step 2: Convert to fraction form
    168,610.68/232,675.54 = 92,128.57/x
  3. Step 3: Cross multiply
    168,610.68x = 232,675.54 × 92,128.57
  4. Step 4: Simplify right side
    168,610.68x = 21,436,063,962.17
  5. Step 5: Solve for x
    x = 21,436,063,962.17/168,610.68
  6. Step 6: Final answer
    x = 127,133.49

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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.