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Finding the Fourth Proportional to 243,986.84, 366,015.24 and 75,521.96

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Solution

The fourth proportional to 243,986.84, 366,015.24 and 75,521.96 is: 113,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,986.84 : 366,015.24 = 75,521.96 : x
  2. Step 2: Convert to fraction form
    243,986.84/366,015.24 = 75,521.96/x
  3. Step 3: Cross multiply
    243,986.84x = 366,015.24 × 75,521.96
  4. Step 4: Simplify right side
    243,986.84x = 27,642,188,314.67
  5. Step 5: Solve for x
    x = 27,642,188,314.67/243,986.84
  6. Step 6: Final answer
    x = 113,293.77

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Why These Related Problems?

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