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Finding the Fourth Proportional to 251,809, 377,713.74 and 104,068.84

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Solution

The fourth proportional to 251,809, 377,713.74 and 104,068.84 is: 156,103.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,809 : 377,713.74 = 104,068.84 : x
  2. Step 2: Convert to fraction form
    251,809/377,713.74 = 104,068.84/x
  3. Step 3: Cross multiply
    251,809x = 377,713.74 × 104,068.84
  4. Step 4: Simplify right side
    251,809x = 39,308,230,773.86
  5. Step 5: Solve for x
    x = 39,308,230,773.86/251,809
  6. Step 6: Final answer
    x = 156,103.36

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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.