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Finding the Fourth Proportional to 160,067.76, 220,905.84 and 88,453.92

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Solution

The fourth proportional to 160,067.76, 220,905.84 and 88,453.92 is: 122,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,067.76 : 220,905.84 = 88,453.92 : x
  2. Step 2: Convert to fraction form
    160,067.76/220,905.84 = 88,453.92/x
  3. Step 3: Cross multiply
    160,067.76x = 220,905.84 × 88,453.92
  4. Step 4: Simplify right side
    160,067.76x = 19,539,987,498.89
  5. Step 5: Solve for x
    x = 19,539,987,498.89/160,067.76
  6. Step 6: Final answer
    x = 122,073.22

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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.