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Finding the Fourth Proportional to 76,000.98, 113,990.53 and 44,425.56

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Solution

The fourth proportional to 76,000.98, 113,990.53 and 44,425.56 is: 66,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,000.98 : 113,990.53 = 44,425.56 : x
  2. Step 2: Convert to fraction form
    76,000.98/113,990.53 = 44,425.56/x
  3. Step 3: Cross multiply
    76,000.98x = 113,990.53 × 44,425.56
  4. Step 4: Simplify right side
    76,000.98x = 5,064,093,129.95
  5. Step 5: Solve for x
    x = 5,064,093,129.95/76,000.98
  6. Step 6: Final answer
    x = 66,631.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.