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Finding the Fourth Proportional to 171,177.93, 256,877.06 and 92,346.57

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Solution

The fourth proportional to 171,177.93, 256,877.06 and 92,346.57 is: 138,579.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,177.93 : 256,877.06 = 92,346.57 : x
  2. Step 2: Convert to fraction form
    171,177.93/256,877.06 = 92,346.57/x
  3. Step 3: Cross multiply
    171,177.93x = 256,877.06 × 92,346.57
  4. Step 4: Simplify right side
    171,177.93x = 23,721,714,940.95
  5. Step 5: Solve for x
    x = 23,721,714,940.95/171,177.93
  6. Step 6: Final answer
    x = 138,579.28

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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.