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Finding the Fourth Proportional to 73,311.46, 110,022.46 and 53,640.76

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Solution

The fourth proportional to 73,311.46, 110,022.46 and 53,640.76 is: 80,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,311.46 : 110,022.46 = 53,640.76 : x
  2. Step 2: Convert to fraction form
    73,311.46/110,022.46 = 53,640.76/x
  3. Step 3: Cross multiply
    73,311.46x = 110,022.46 × 53,640.76
  4. Step 4: Simplify right side
    73,311.46x = 5,901,688,371.47
  5. Step 5: Solve for x
    x = 5,901,688,371.47/73,311.46
  6. Step 6: Final answer
    x = 80,501.58

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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.