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Finding the Fourth Proportional to 125,969.50, 173,837.91 and 69,380.88

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Solution

The fourth proportional to 125,969.50, 173,837.91 and 69,380.88 is: 95,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,969.50 : 173,837.91 = 69,380.88 : x
  2. Step 2: Convert to fraction form
    125,969.50/173,837.91 = 69,380.88/x
  3. Step 3: Cross multiply
    125,969.50x = 173,837.91 × 69,380.88
  4. Step 4: Simplify right side
    125,969.50x = 12,061,026,303.97
  5. Step 5: Solve for x
    x = 12,061,026,303.97/125,969.50
  6. Step 6: Final answer
    x = 95,745.61

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1.5x scale

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.