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Finding the Fourth Proportional to 228,663.68, 343,013.30 and 68,727.16

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Solution

The fourth proportional to 228,663.68, 343,013.30 and 68,727.16 is: 103,096.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,663.68 : 343,013.30 = 68,727.16 : x
  2. Step 2: Convert to fraction form
    228,663.68/343,013.30 = 68,727.16/x
  3. Step 3: Cross multiply
    228,663.68x = 343,013.30 × 68,727.16
  4. Step 4: Simplify right side
    228,663.68x = 23,574,327,892.53
  5. Step 5: Solve for x
    x = 23,574,327,892.53/228,663.68
  6. Step 6: Final answer
    x = 103,096.07

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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.