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Finding the Fourth Proportional to 243,401.84, 365,060.63 and 65,867.39

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Solution

The fourth proportional to 243,401.84, 365,060.63 and 65,867.39 is: 98,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,401.84 : 365,060.63 = 65,867.39 : x
  2. Step 2: Convert to fraction form
    243,401.84/365,060.63 = 65,867.39/x
  3. Step 3: Cross multiply
    243,401.84x = 365,060.63 × 65,867.39
  4. Step 4: Simplify right side
    243,401.84x = 24,045,589,229.22
  5. Step 5: Solve for x
    x = 24,045,589,229.22/243,401.84
  6. Step 6: Final answer
    x = 98,789.68

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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.