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Finding the Fourth Proportional to 124,339.84, 186,440.64 and 50,381.44

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Solution

The fourth proportional to 124,339.84, 186,440.64 and 50,381.44 is: 75,544.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,339.84 : 186,440.64 = 50,381.44 : x
  2. Step 2: Convert to fraction form
    124,339.84/186,440.64 = 50,381.44/x
  3. Step 3: Cross multiply
    124,339.84x = 186,440.64 × 50,381.44
  4. Step 4: Simplify right side
    124,339.84x = 9,393,147,917.72
  5. Step 5: Solve for x
    x = 9,393,147,917.72/124,339.84
  6. Step 6: Final answer
    x = 75,544.15

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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.