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Finding the Fourth Proportional to 79,335.50, 109,485.06 and 44,877.44

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Solution

The fourth proportional to 79,335.50, 109,485.06 and 44,877.44 is: 61,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,335.50 : 109,485.06 = 44,877.44 : x
  2. Step 2: Convert to fraction form
    79,335.50/109,485.06 = 44,877.44/x
  3. Step 3: Cross multiply
    79,335.50x = 109,485.06 × 44,877.44
  4. Step 4: Simplify right side
    79,335.50x = 4,913,409,211.05
  5. Step 5: Solve for x
    x = 4,913,409,211.05/79,335.50
  6. Step 6: Final answer
    x = 61,932.04

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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.