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Finding the Fourth Proportional to 264,725.70, 365,324.32 and 143,869.02

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Solution

The fourth proportional to 264,725.70, 365,324.32 and 143,869.02 is: 198,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,725.70 : 365,324.32 = 143,869.02 : x
  2. Step 2: Convert to fraction form
    264,725.70/365,324.32 = 143,869.02/x
  3. Step 3: Cross multiply
    264,725.70x = 365,324.32 × 143,869.02
  4. Step 4: Simplify right side
    264,725.70x = 52,558,851,900.57
  5. Step 5: Solve for x
    x = 52,558,851,900.57/264,725.70
  6. Step 6: Final answer
    x = 198,540.80

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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.