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Finding the Fourth Proportional to 79,831.80, 119,712.94 and 22,893.15

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Solution

The fourth proportional to 79,831.80, 119,712.94 and 22,893.15 is: 34,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,831.80 : 119,712.94 = 22,893.15 : x
  2. Step 2: Convert to fraction form
    79,831.80/119,712.94 = 22,893.15/x
  3. Step 3: Cross multiply
    79,831.80x = 119,712.94 × 22,893.15
  4. Step 4: Simplify right side
    79,831.80x = 2,740,606,292.36
  5. Step 5: Solve for x
    x = 2,740,606,292.36/79,831.80
  6. Step 6: Final answer
    x = 34,329.76

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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.