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Finding the Fourth Proportional to 264,605.31, 365,157.86 and 143,747.51

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Solution

The fourth proportional to 264,605.31, 365,157.86 and 143,747.51 is: 198,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,605.31 : 365,157.86 = 143,747.51 : x
  2. Step 2: Convert to fraction form
    264,605.31/365,157.86 = 143,747.51/x
  3. Step 3: Cross multiply
    264,605.31x = 365,157.86 × 143,747.51
  4. Step 4: Simplify right side
    264,605.31x = 52,490,530,587.40
  5. Step 5: Solve for x
    x = 52,490,530,587.40/264,605.31
  6. Step 6: Final answer
    x = 198,372.93

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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.