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Finding the Fourth Proportional to 365,467.61, 548,239.01 and 137,954.86

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Solution

The fourth proportional to 365,467.61, 548,239.01 and 137,954.86 is: 206,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,467.61 : 548,239.01 = 137,954.86 : x
  2. Step 2: Convert to fraction form
    365,467.61/548,239.01 = 137,954.86/x
  3. Step 3: Cross multiply
    365,467.61x = 548,239.01 × 137,954.86
  4. Step 4: Simplify right side
    365,467.61x = 75,632,233,810.72
  5. Step 5: Solve for x
    x = 75,632,233,810.72/365,467.61
  6. Step 6: Final answer
    x = 206,946.48

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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.