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Finding the Fourth Proportional to 117,105.49, 175,833.20 and 115,355.89

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Solution

The fourth proportional to 117,105.49, 175,833.20 and 115,355.89 is: 173,206.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,105.49 : 175,833.20 = 115,355.89 : x
  2. Step 2: Convert to fraction form
    117,105.49/175,833.20 = 115,355.89/x
  3. Step 3: Cross multiply
    117,105.49x = 175,833.20 × 115,355.89
  4. Step 4: Simplify right side
    117,105.49x = 20,283,395,277.55
  5. Step 5: Solve for x
    x = 20,283,395,277.55/117,105.49
  6. Step 6: Final answer
    x = 173,206.19

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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.