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Finding the Fourth Proportional to 79,585.52, 109,822.44 and 43,777.04

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Solution

The fourth proportional to 79,585.52, 109,822.44 and 43,777.04 is: 60,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,585.52 : 109,822.44 = 43,777.04 : x
  2. Step 2: Convert to fraction form
    79,585.52/109,822.44 = 43,777.04/x
  3. Step 3: Cross multiply
    79,585.52x = 109,822.44 × 43,777.04
  4. Step 4: Simplify right side
    79,585.52x = 4,807,701,348.78
  5. Step 5: Solve for x
    x = 4,807,701,348.78/79,585.52
  6. Step 6: Final answer
    x = 60,409.25

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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.