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Finding the Fourth Proportional to 117,833.67, 177,045.75 and 110,747.79

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Solution

The fourth proportional to 117,833.67, 177,045.75 and 110,747.79 is: 166,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,833.67 : 177,045.75 = 110,747.79 : x
  2. Step 2: Convert to fraction form
    117,833.67/177,045.75 = 110,747.79/x
  3. Step 3: Cross multiply
    117,833.67x = 177,045.75 × 110,747.79
  4. Step 4: Simplify right side
    117,833.67x = 19,607,425,541.39
  5. Step 5: Solve for x
    x = 19,607,425,541.39/117,833.67
  6. Step 6: Final answer
    x = 166,399.18

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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.