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Finding the Fourth Proportional to 173,395, 260,092.50 and 42,067

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Solution

The fourth proportional to 173,395, 260,092.50 and 42,067 is: 63,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,395 : 260,092.50 = 42,067 : x
  2. Step 2: Convert to fraction form
    173,395/260,092.50 = 42,067/x
  3. Step 3: Cross multiply
    173,395x = 260,092.50 × 42,067
  4. Step 4: Simplify right side
    173,395x = 10,941,311,197.50
  5. Step 5: Solve for x
    x = 10,941,311,197.50/173,395
  6. Step 6: Final answer
    x = 63,100.50

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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.