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Finding the Fourth Proportional to 171,401.04, 257,113.68 and 53,057.04

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Solution

The fourth proportional to 171,401.04, 257,113.68 and 53,057.04 is: 79,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,401.04 : 257,113.68 = 53,057.04 : x
  2. Step 2: Convert to fraction form
    171,401.04/257,113.68 = 53,057.04/x
  3. Step 3: Cross multiply
    171,401.04x = 257,113.68 × 53,057.04
  4. Step 4: Simplify right side
    171,401.04x = 13,641,690,804.31
  5. Step 5: Solve for x
    x = 13,641,690,804.31/171,401.04
  6. Step 6: Final answer
    x = 79,589.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.