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Finding the Fourth Proportional to 122,899.39, 169,601.52 and 69,185.23

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Solution

The fourth proportional to 122,899.39, 169,601.52 and 69,185.23 is: 95,475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,899.39 : 169,601.52 = 69,185.23 : x
  2. Step 2: Convert to fraction form
    122,899.39/169,601.52 = 69,185.23/x
  3. Step 3: Cross multiply
    122,899.39x = 169,601.52 × 69,185.23
  4. Step 4: Simplify right side
    122,899.39x = 11,733,920,169.55
  5. Step 5: Solve for x
    x = 11,733,920,169.55/122,899.39
  6. Step 6: Final answer
    x = 95,475.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.