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Finding the Fourth Proportional to 125,593.30, 173,321.88 and 68,232.64

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Solution

The fourth proportional to 125,593.30, 173,321.88 and 68,232.64 is: 94,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,593.30 : 173,321.88 = 68,232.64 : x
  2. Step 2: Convert to fraction form
    125,593.30/173,321.88 = 68,232.64/x
  3. Step 3: Cross multiply
    125,593.30x = 173,321.88 × 68,232.64
  4. Step 4: Simplify right side
    125,593.30x = 11,826,209,442.16
  5. Step 5: Solve for x
    x = 11,826,209,442.16/125,593.30
  6. Step 6: Final answer
    x = 94,162.74

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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.