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Finding the Fourth Proportional to 117,887.88, 176,858.46 and 39,001.92

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Solution

The fourth proportional to 117,887.88, 176,858.46 and 39,001.92 is: 58,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,887.88 : 176,858.46 = 39,001.92 : x
  2. Step 2: Convert to fraction form
    117,887.88/176,858.46 = 39,001.92/x
  3. Step 3: Cross multiply
    117,887.88x = 176,858.46 × 39,001.92
  4. Step 4: Simplify right side
    117,887.88x = 6,897,819,508.24
  5. Step 5: Solve for x
    x = 6,897,819,508.24/117,887.88
  6. Step 6: Final answer
    x = 58,511.69

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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.