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Finding the Fourth Proportional to 125,180.52, 172,751.31 and 68,588.52

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Solution

The fourth proportional to 125,180.52, 172,751.31 and 68,588.52 is: 94,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,180.52 : 172,751.31 = 68,588.52 : x
  2. Step 2: Convert to fraction form
    125,180.52/172,751.31 = 68,588.52/x
  3. Step 3: Cross multiply
    125,180.52x = 172,751.31 × 68,588.52
  4. Step 4: Simplify right side
    125,180.52x = 11,848,756,680.96
  5. Step 5: Solve for x
    x = 11,848,756,680.96/125,180.52
  6. Step 6: Final answer
    x = 94,653.36

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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.