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Finding the Fourth Proportional to 76,360.62, 115,055.85 and 63,322.86

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Solution

The fourth proportional to 76,360.62, 115,055.85 and 63,322.86 is: 95,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,360.62 : 115,055.85 = 63,322.86 : x
  2. Step 2: Convert to fraction form
    76,360.62/115,055.85 = 63,322.86/x
  3. Step 3: Cross multiply
    76,360.62x = 115,055.85 × 63,322.86
  4. Step 4: Simplify right side
    76,360.62x = 7,285,665,481.73
  5. Step 5: Solve for x
    x = 7,285,665,481.73/76,360.62
  6. Step 6: Final answer
    x = 95,411.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.