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Finding the Fourth Proportional to 158,649.63, 237,975.26 and 53,469.51

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Solution

The fourth proportional to 158,649.63, 237,975.26 and 53,469.51 is: 80,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,649.63 : 237,975.26 = 53,469.51 : x
  2. Step 2: Convert to fraction form
    158,649.63/237,975.26 = 53,469.51/x
  3. Step 3: Cross multiply
    158,649.63x = 237,975.26 × 53,469.51
  4. Step 4: Simplify right side
    158,649.63x = 12,724,420,544.32
  5. Step 5: Solve for x
    x = 12,724,420,544.32/158,649.63
  6. Step 6: Final answer
    x = 80,204.54

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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.