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Finding the Fourth Proportional to 264,577.68, 365,119.92 and 143,721.36

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Solution

The fourth proportional to 264,577.68, 365,119.92 and 143,721.36 is: 198,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,577.68 : 365,119.92 = 143,721.36 : x
  2. Step 2: Convert to fraction form
    264,577.68/365,119.92 = 143,721.36/x
  3. Step 3: Cross multiply
    264,577.68x = 365,119.92 × 143,721.36
  4. Step 4: Simplify right side
    264,577.68x = 52,475,531,465.49
  5. Step 5: Solve for x
    x = 52,475,531,465.49/264,577.68
  6. Step 6: Final answer
    x = 198,336.96

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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.