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Finding the Fourth Proportional to 79,593, 109,831.14 and 43,784.52

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Solution

The fourth proportional to 79,593, 109,831.14 and 43,784.52 is: 60,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,593 : 109,831.14 = 43,784.52 : x
  2. Step 2: Convert to fraction form
    79,593/109,831.14 = 43,784.52/x
  3. Step 3: Cross multiply
    79,593x = 109,831.14 × 43,784.52
  4. Step 4: Simplify right side
    79,593x = 4,808,903,745.95
  5. Step 5: Solve for x
    x = 4,808,903,745.95/79,593
  6. Step 6: Final answer
    x = 60,418.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.