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Finding the Fourth Proportional to 125,676.66, 188,649.27 and 50,845.71

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Solution

The fourth proportional to 125,676.66, 188,649.27 and 50,845.71 is: 76,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,676.66 : 188,649.27 = 50,845.71 : x
  2. Step 2: Convert to fraction form
    125,676.66/188,649.27 = 50,845.71/x
  3. Step 3: Cross multiply
    125,676.66x = 188,649.27 × 50,845.71
  4. Step 4: Simplify right side
    125,676.66x = 9,592,006,074.13
  5. Step 5: Solve for x
    x = 9,592,006,074.13/125,676.66
  6. Step 6: Final answer
    x = 76,322.89

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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.