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Finding the Fourth Proportional to 264,779.67, 365,398.38 and 143,921.24

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Solution

The fourth proportional to 264,779.67, 365,398.38 and 143,921.24 is: 198,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,779.67 : 365,398.38 = 143,921.24 : x
  2. Step 2: Convert to fraction form
    264,779.67/365,398.38 = 143,921.24/x
  3. Step 3: Cross multiply
    264,779.67x = 365,398.38 × 143,921.24
  4. Step 4: Simplify right side
    264,779.67x = 52,588,586,116.60
  5. Step 5: Solve for x
    x = 52,588,586,116.60/264,779.67
  6. Step 6: Final answer
    x = 198,612.63

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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.