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Finding the Fourth Proportional to 96,589, 133,293.30 and 56,330.68

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Solution

The fourth proportional to 96,589, 133,293.30 and 56,330.68 is: 77,736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,589 : 133,293.30 = 56,330.68 : x
  2. Step 2: Convert to fraction form
    96,589/133,293.30 = 56,330.68/x
  3. Step 3: Cross multiply
    96,589x = 133,293.30 × 56,330.68
  4. Step 4: Simplify right side
    96,589x = 7,508,502,228.44
  5. Step 5: Solve for x
    x = 7,508,502,228.44/96,589
  6. Step 6: Final answer
    x = 77,736.62

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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.