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Finding the Fourth Proportional to 229,161.91, 343,737.59 and 134,989.49

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Solution

The fourth proportional to 229,161.91, 343,737.59 and 134,989.49 is: 202,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,161.91 : 343,737.59 = 134,989.49 : x
  2. Step 2: Convert to fraction form
    229,161.91/343,737.59 = 134,989.49/x
  3. Step 3: Cross multiply
    229,161.91x = 343,737.59 × 134,989.49
  4. Step 4: Simplify right side
    229,161.91x = 46,400,961,967.93
  5. Step 5: Solve for x
    x = 46,400,961,967.93/229,161.91
  6. Step 6: Final answer
    x = 202,481.13

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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.