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Finding the Fourth Proportional to 71,805.25, 99,026.73 and 44,950.20

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Solution

The fourth proportional to 71,805.25, 99,026.73 and 44,950.20 is: 61,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,805.25 : 99,026.73 = 44,950.20 : x
  2. Step 2: Convert to fraction form
    71,805.25/99,026.73 = 44,950.20/x
  3. Step 3: Cross multiply
    71,805.25x = 99,026.73 × 44,950.20
  4. Step 4: Simplify right side
    71,805.25x = 4,451,271,318.85
  5. Step 5: Solve for x
    x = 4,451,271,318.85/71,805.25
  6. Step 6: Final answer
    x = 61,990.89

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1.5x scale

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.