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Finding the Fourth Proportional to 171,468.58, 257,161.55 and 51,500.29

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Solution

The fourth proportional to 171,468.58, 257,161.55 and 51,500.29 is: 77,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,468.58 : 257,161.55 = 51,500.29 : x
  2. Step 2: Convert to fraction form
    171,468.58/257,161.55 = 51,500.29/x
  3. Step 3: Cross multiply
    171,468.58x = 257,161.55 × 51,500.29
  4. Step 4: Simplify right side
    171,468.58x = 13,243,894,401.85
  5. Step 5: Solve for x
    x = 13,243,894,401.85/171,468.58
  6. Step 6: Final answer
    x = 77,238.02

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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.