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Finding the Fourth Proportional to 80,753.44, 111,439.76 and 46,763.72

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Solution

The fourth proportional to 80,753.44, 111,439.76 and 46,763.72 is: 64,533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,753.44 : 111,439.76 = 46,763.72 : x
  2. Step 2: Convert to fraction form
    80,753.44/111,439.76 = 46,763.72/x
  3. Step 3: Cross multiply
    80,753.44x = 111,439.76 × 46,763.72
  4. Step 4: Simplify right side
    80,753.44x = 5,211,337,733.51
  5. Step 5: Solve for x
    x = 5,211,337,733.51/80,753.44
  6. Step 6: Final answer
    x = 64,533.94

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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.