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Finding the Fourth Proportional to 67,810.46, 101,516.16 and 45,265.22

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Solution

The fourth proportional to 67,810.46, 101,516.16 and 45,265.22 is: 67,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,810.46 : 101,516.16 = 45,265.22 : x
  2. Step 2: Convert to fraction form
    67,810.46/101,516.16 = 45,265.22/x
  3. Step 3: Cross multiply
    67,810.46x = 101,516.16 × 45,265.22
  4. Step 4: Simplify right side
    67,810.46x = 4,595,150,949.00
  5. Step 5: Solve for x
    x = 4,595,150,949.00/67,810.46
  6. Step 6: Final answer
    x = 67,764.63

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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.