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Finding the Fourth Proportional to 96,307.76, 132,911.66 and 53,879.96

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Solution

The fourth proportional to 96,307.76, 132,911.66 and 53,879.96 is: 74,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,307.76 : 132,911.66 = 53,879.96 : x
  2. Step 2: Convert to fraction form
    96,307.76/132,911.66 = 53,879.96/x
  3. Step 3: Cross multiply
    96,307.76x = 132,911.66 × 53,879.96
  4. Step 4: Simplify right side
    96,307.76x = 7,161,274,924.33
  5. Step 5: Solve for x
    x = 7,161,274,924.33/96,307.76
  6. Step 6: Final answer
    x = 74,358.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.