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Finding the Fourth Proportional to 71,805.50, 99,093.88 and 44,939.42

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Solution

The fourth proportional to 71,805.50, 99,093.88 and 44,939.42 is: 62,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,805.50 : 99,093.88 = 44,939.42 : x
  2. Step 2: Convert to fraction form
    71,805.50/99,093.88 = 44,939.42/x
  3. Step 3: Cross multiply
    71,805.50x = 99,093.88 × 44,939.42
  4. Step 4: Simplify right side
    71,805.50x = 4,453,221,492.75
  5. Step 5: Solve for x
    x = 4,453,221,492.75/71,805.50
  6. Step 6: Final answer
    x = 62,017.83

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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.