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Finding the Fourth Proportional to 251,673.66, 377,508.45 and 118,481.25

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Solution

The fourth proportional to 251,673.66, 377,508.45 and 118,481.25 is: 177,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,673.66 : 377,508.45 = 118,481.25 : x
  2. Step 2: Convert to fraction form
    251,673.66/377,508.45 = 118,481.25/x
  3. Step 3: Cross multiply
    251,673.66x = 377,508.45 × 118,481.25
  4. Step 4: Simplify right side
    251,673.66x = 44,727,673,041.56
  5. Step 5: Solve for x
    x = 44,727,673,041.56/251,673.66
  6. Step 6: Final answer
    x = 177,720.91

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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.