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Finding the Fourth Proportional to 76,797.66, 115,206.24 and 30,044.46

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Solution

The fourth proportional to 76,797.66, 115,206.24 and 30,044.46 is: 45,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,797.66 : 115,206.24 = 30,044.46 : x
  2. Step 2: Convert to fraction form
    76,797.66/115,206.24 = 30,044.46/x
  3. Step 3: Cross multiply
    76,797.66x = 115,206.24 × 30,044.46
  4. Step 4: Simplify right side
    76,797.66x = 3,461,309,269.43
  5. Step 5: Solve for x
    x = 3,461,309,269.43/76,797.66
  6. Step 6: Final answer
    x = 45,070.50

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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.