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Finding the Fourth Proportional to 228,063.48, 342,143.52 and 68,151.86

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Solution

The fourth proportional to 228,063.48, 342,143.52 and 68,151.86 is: 102,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,063.48 : 342,143.52 = 68,151.86 : x
  2. Step 2: Convert to fraction form
    228,063.48/342,143.52 = 68,151.86/x
  3. Step 3: Cross multiply
    228,063.48x = 342,143.52 × 68,151.86
  4. Step 4: Simplify right side
    228,063.48x = 23,317,718,707.93
  5. Step 5: Solve for x
    x = 23,317,718,707.93/228,063.48
  6. Step 6: Final answer
    x = 102,242.23

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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.