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Finding the Fourth Proportional to 77,995.43, 116,976.48 and 24,691.91

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Solution

The fourth proportional to 77,995.43, 116,976.48 and 24,691.91 is: 37,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,995.43 : 116,976.48 = 24,691.91 : x
  2. Step 2: Convert to fraction form
    77,995.43/116,976.48 = 24,691.91/x
  3. Step 3: Cross multiply
    77,995.43x = 116,976.48 × 24,691.91
  4. Step 4: Simplify right side
    77,995.43x = 2,888,373,095.23
  5. Step 5: Solve for x
    x = 2,888,373,095.23/77,995.43
  6. Step 6: Final answer
    x = 37,032.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.