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Finding the Fourth Proportional to 139,922.22, 193,096.71 and 76,264.14

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Solution

The fourth proportional to 139,922.22, 193,096.71 and 76,264.14 is: 105,246.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,922.22 : 193,096.71 = 76,264.14 : x
  2. Step 2: Convert to fraction form
    139,922.22/193,096.71 = 76,264.14/x
  3. Step 3: Cross multiply
    139,922.22x = 193,096.71 × 76,264.14
  4. Step 4: Simplify right side
    139,922.22x = 14,726,354,524.98
  5. Step 5: Solve for x
    x = 14,726,354,524.98/139,922.22
  6. Step 6: Final answer
    x = 105,246.72

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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.