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Finding the Fourth Proportional to 160,067.99, 220,890.77 and 88,446.47

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Solution

The fourth proportional to 160,067.99, 220,890.77 and 88,446.47 is: 122,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,067.99 : 220,890.77 = 88,446.47 : x
  2. Step 2: Convert to fraction form
    160,067.99/220,890.77 = 88,446.47/x
  3. Step 3: Cross multiply
    160,067.99x = 220,890.77 × 88,446.47
  4. Step 4: Simplify right side
    160,067.99x = 19,537,008,972.08
  5. Step 5: Solve for x
    x = 19,537,008,972.08/160,067.99
  6. Step 6: Final answer
    x = 122,054.44

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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.