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Finding the Fourth Proportional to 264,612.10, 365,163.21 and 143,752.42

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Solution

The fourth proportional to 264,612.10, 365,163.21 and 143,752.42 is: 198,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,612.10 : 365,163.21 = 143,752.42 : x
  2. Step 2: Convert to fraction form
    264,612.10/365,163.21 = 143,752.42/x
  3. Step 3: Cross multiply
    264,612.10x = 365,163.21 × 143,752.42
  4. Step 4: Simplify right side
    264,612.10x = 52,493,095,132.47
  5. Step 5: Solve for x
    x = 52,493,095,132.47/264,612.10
  6. Step 6: Final answer
    x = 198,377.53

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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.