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Finding the Fourth Proportional to 80,753.65, 111,438.93 and 44,943.67

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Solution

The fourth proportional to 80,753.65, 111,438.93 and 44,943.67 is: 62,021.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,753.65 : 111,438.93 = 44,943.67 : x
  2. Step 2: Convert to fraction form
    80,753.65/111,438.93 = 44,943.67/x
  3. Step 3: Cross multiply
    80,753.65x = 111,438.93 × 44,943.67
  4. Step 4: Simplify right side
    80,753.65x = 5,008,474,495.07
  5. Step 5: Solve for x
    x = 5,008,474,495.07/80,753.65
  6. Step 6: Final answer
    x = 62,021.65

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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.