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Finding the Fourth Proportional to 367,203.96, 550,863.54 and 156,843

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Solution

The fourth proportional to 367,203.96, 550,863.54 and 156,843 is: 235,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,203.96 : 550,863.54 = 156,843 : x
  2. Step 2: Convert to fraction form
    367,203.96/550,863.54 = 156,843/x
  3. Step 3: Cross multiply
    367,203.96x = 550,863.54 × 156,843
  4. Step 4: Simplify right side
    367,203.96x = 86,399,090,204.22
  5. Step 5: Solve for x
    x = 86,399,090,204.22/367,203.96
  6. Step 6: Final answer
    x = 235,289.10

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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.