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Finding the Fourth Proportional to 367,251, 551,109.53 and 156,890.52

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Solution

The fourth proportional to 367,251, 551,109.53 and 156,890.52 is: 235,435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,251 : 551,109.53 = 156,890.52 : x
  2. Step 2: Convert to fraction form
    367,251/551,109.53 = 156,890.52/x
  3. Step 3: Cross multiply
    367,251x = 551,109.53 × 156,890.52
  4. Step 4: Simplify right side
    367,251x = 86,463,860,738.66
  5. Step 5: Solve for x
    x = 86,463,860,738.66/367,251
  6. Step 6: Final answer
    x = 235,435.33

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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.