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Finding the Fourth Proportional to 125,536.56, 173,244.60 and 68,953.20

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Solution

The fourth proportional to 125,536.56, 173,244.60 and 68,953.20 is: 95,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,536.56 : 173,244.60 = 68,953.20 : x
  2. Step 2: Convert to fraction form
    125,536.56/173,244.60 = 68,953.20/x
  3. Step 3: Cross multiply
    125,536.56x = 173,244.60 × 68,953.20
  4. Step 4: Simplify right side
    125,536.56x = 11,945,769,552.72
  5. Step 5: Solve for x
    x = 11,945,769,552.72/125,536.56
  6. Step 6: Final answer
    x = 95,157.69

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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.