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Finding the Fourth Proportional to 96,392.84, 133,021.98 and 53,959.52

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Solution

The fourth proportional to 96,392.84, 133,021.98 and 53,959.52 is: 74,464.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,392.84 : 133,021.98 = 53,959.52 : x
  2. Step 2: Convert to fraction form
    96,392.84/133,021.98 = 53,959.52/x
  3. Step 3: Cross multiply
    96,392.84x = 133,021.98 × 53,959.52
  4. Step 4: Simplify right side
    96,392.84x = 7,177,802,190.25
  5. Step 5: Solve for x
    x = 7,177,802,190.25/96,392.84
  6. Step 6: Final answer
    x = 74,464.06

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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.