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Finding the Fourth Proportional to 154,416.60, 231,642.18 and 49,211.64

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Solution

The fourth proportional to 154,416.60, 231,642.18 and 49,211.64 is: 73,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,416.60 : 231,642.18 = 49,211.64 : x
  2. Step 2: Convert to fraction form
    154,416.60/231,642.18 = 49,211.64/x
  3. Step 3: Cross multiply
    154,416.60x = 231,642.18 × 49,211.64
  4. Step 4: Simplify right side
    154,416.60x = 11,399,491,570.98
  5. Step 5: Solve for x
    x = 11,399,491,570.98/154,416.60
  6. Step 6: Final answer
    x = 73,822.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.