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Finding the Fourth Proportional to 125,092, 172,627.50 and 68,504.32

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Solution

The fourth proportional to 125,092, 172,627.50 and 68,504.32 is: 94,536.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,092 : 172,627.50 = 68,504.32 : x
  2. Step 2: Convert to fraction form
    125,092/172,627.50 = 68,504.32/x
  3. Step 3: Cross multiply
    125,092x = 172,627.50 × 68,504.32
  4. Step 4: Simplify right side
    125,092x = 11,825,729,500.80
  5. Step 5: Solve for x
    x = 11,825,729,500.80/125,092
  6. Step 6: Final answer
    x = 94,536.26

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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.