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Finding the Fourth Proportional to 70,800.46, 106,266.30 and 35,764.72

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Solution

The fourth proportional to 70,800.46, 106,266.30 and 35,764.72 is: 53,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,800.46 : 106,266.30 = 35,764.72 : x
  2. Step 2: Convert to fraction form
    70,800.46/106,266.30 = 35,764.72/x
  3. Step 3: Cross multiply
    70,800.46x = 106,266.30 × 35,764.72
  4. Step 4: Simplify right side
    70,800.46x = 3,800,584,464.94
  5. Step 5: Solve for x
    x = 3,800,584,464.94/70,800.46
  6. Step 6: Final answer
    x = 53,680.22

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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.