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Finding the Fourth Proportional to 96,616, 133,304.80 and 55,770.13

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Solution

The fourth proportional to 96,616, 133,304.80 and 55,770.13 is: 76,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,616 : 133,304.80 = 55,770.13 : x
  2. Step 2: Convert to fraction form
    96,616/133,304.80 = 55,770.13/x
  3. Step 3: Cross multiply
    96,616x = 133,304.80 × 55,770.13
  4. Step 4: Simplify right side
    96,616x = 7,434,426,025.62
  5. Step 5: Solve for x
    x = 7,434,426,025.62/96,616
  6. Step 6: Final answer
    x = 76,948.19

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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.