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Finding the Fourth Proportional to 168,175.65, 252,264.38 and 43,516.65

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Solution

The fourth proportional to 168,175.65, 252,264.38 and 43,516.65 is: 65,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,175.65 : 252,264.38 = 43,516.65 : x
  2. Step 2: Convert to fraction form
    168,175.65/252,264.38 = 43,516.65/x
  3. Step 3: Cross multiply
    168,175.65x = 252,264.38 × 43,516.65
  4. Step 4: Simplify right side
    168,175.65x = 10,977,700,514.34
  5. Step 5: Solve for x
    x = 10,977,700,514.34/168,175.65
  6. Step 6: Final answer
    x = 65,275.21

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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.