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Finding the Fourth Proportional to 160,093.83, 220,930.19 and 87,498.20

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Solution

The fourth proportional to 160,093.83, 220,930.19 and 87,498.20 is: 120,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,093.83 : 220,930.19 = 87,498.20 : x
  2. Step 2: Convert to fraction form
    160,093.83/220,930.19 = 87,498.20/x
  3. Step 3: Cross multiply
    160,093.83x = 220,930.19 × 87,498.20
  4. Step 4: Simplify right side
    160,093.83x = 19,330,992,408.52
  5. Step 5: Solve for x
    x = 19,330,992,408.52/160,093.83
  6. Step 6: Final answer
    x = 120,747.89

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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.