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Finding the Fourth Proportional to 226,965, 340,447.50 and 60,753

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Solution

The fourth proportional to 226,965, 340,447.50 and 60,753 is: 91,129.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,965 : 340,447.50 = 60,753 : x
  2. Step 2: Convert to fraction form
    226,965/340,447.50 = 60,753/x
  3. Step 3: Cross multiply
    226,965x = 340,447.50 × 60,753
  4. Step 4: Simplify right side
    226,965x = 20,683,206,967.50
  5. Step 5: Solve for x
    x = 20,683,206,967.50/226,965
  6. Step 6: Final answer
    x = 91,129.50

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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.