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Finding the Fourth Proportional to 96,879.92, 133,710.32 and 56,593.56

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Solution

The fourth proportional to 96,879.92, 133,710.32 and 56,593.56 is: 78,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,879.92 : 133,710.32 = 56,593.56 : x
  2. Step 2: Convert to fraction form
    96,879.92/133,710.32 = 56,593.56/x
  3. Step 3: Cross multiply
    96,879.92x = 133,710.32 × 56,593.56
  4. Step 4: Simplify right side
    96,879.92x = 7,567,143,017.54
  5. Step 5: Solve for x
    x = 7,567,143,017.54/96,879.92
  6. Step 6: Final answer
    x = 78,108.48

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1.5x scale

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.