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Finding the Fourth Proportional to 264,529.87, 365,053.85 and 143,672.31

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Solution

The fourth proportional to 264,529.87, 365,053.85 and 143,672.31 is: 198,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,529.87 : 365,053.85 = 143,672.31 : x
  2. Step 2: Convert to fraction form
    264,529.87/365,053.85 = 143,672.31/x
  3. Step 3: Cross multiply
    264,529.87x = 365,053.85 × 143,672.31
  4. Step 4: Simplify right side
    264,529.87x = 52,448,129,903.89
  5. Step 5: Solve for x
    x = 52,448,129,903.89/264,529.87
  6. Step 6: Final answer
    x = 198,269.22

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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.