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Finding the Fourth Proportional to 117,649.03, 176,495.42 and 38,766.37

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Solution

The fourth proportional to 117,649.03, 176,495.42 and 38,766.37 is: 58,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,649.03 : 176,495.42 = 38,766.37 : x
  2. Step 2: Convert to fraction form
    117,649.03/176,495.42 = 38,766.37/x
  3. Step 3: Cross multiply
    117,649.03x = 176,495.42 × 38,766.37
  4. Step 4: Simplify right side
    117,649.03x = 6,842,086,755.03
  5. Step 5: Solve for x
    x = 6,842,086,755.03/117,649.03
  6. Step 6: Final answer
    x = 58,156.76

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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.