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Finding the Fourth Proportional to 76,488.99, 114,707.61 and 29,092.83

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Solution

The fourth proportional to 76,488.99, 114,707.61 and 29,092.83 is: 43,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,488.99 : 114,707.61 = 29,092.83 : x
  2. Step 2: Convert to fraction form
    76,488.99/114,707.61 = 29,092.83/x
  3. Step 3: Cross multiply
    76,488.99x = 114,707.61 × 29,092.83
  4. Step 4: Simplify right side
    76,488.99x = 3,337,168,997.44
  5. Step 5: Solve for x
    x = 3,337,168,997.44/76,488.99
  6. Step 6: Final answer
    x = 43,629.40

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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.