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Finding the Fourth Proportional to 251,488.20, 346,992.97 and 159,573.98

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Solution

The fourth proportional to 251,488.20, 346,992.97 and 159,573.98 is: 220,173.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,488.20 : 346,992.97 = 159,573.98 : x
  2. Step 2: Convert to fraction form
    251,488.20/346,992.97 = 159,573.98/x
  3. Step 3: Cross multiply
    251,488.20x = 346,992.97 × 159,573.98
  4. Step 4: Simplify right side
    251,488.20x = 55,371,046,722.09
  5. Step 5: Solve for x
    x = 55,371,046,722.09/251,488.20
  6. Step 6: Final answer
    x = 220,173.54

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1.5x scale

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.