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Finding the Fourth Proportional to 264,792.28, 365,415.31 and 143,933.23

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Solution

The fourth proportional to 264,792.28, 365,415.31 and 143,933.23 is: 198,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,792.28 : 365,415.31 = 143,933.23 : x
  2. Step 2: Convert to fraction form
    264,792.28/365,415.31 = 143,933.23/x
  3. Step 3: Cross multiply
    264,792.28x = 365,415.31 × 143,933.23
  4. Step 4: Simplify right side
    264,792.28x = 52,595,405,671.11
  5. Step 5: Solve for x
    x = 52,595,405,671.11/264,792.28
  6. Step 6: Final answer
    x = 198,628.93

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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.