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Finding the Fourth Proportional to 168,263.65, 252,217.68 and 73,410.76

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Solution

The fourth proportional to 168,263.65, 252,217.68 and 73,410.76 is: 110,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,263.65 : 252,217.68 = 73,410.76 : x
  2. Step 2: Convert to fraction form
    168,263.65/252,217.68 = 73,410.76/x
  3. Step 3: Cross multiply
    168,263.65x = 252,217.68 × 73,410.76
  4. Step 4: Simplify right side
    168,263.65x = 18,515,491,574.24
  5. Step 5: Solve for x
    x = 18,515,491,574.24/168,263.65
  6. Step 6: Final answer
    x = 110,038.57

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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.