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Finding the Fourth Proportional to 166,847.82, 230,249.91 and 90,366.93

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Solution

The fourth proportional to 166,847.82, 230,249.91 and 90,366.93 is: 124,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,847.82 : 230,249.91 = 90,366.93 : x
  2. Step 2: Convert to fraction form
    166,847.82/230,249.91 = 90,366.93/x
  3. Step 3: Cross multiply
    166,847.82x = 230,249.91 × 90,366.93
  4. Step 4: Simplify right side
    166,847.82x = 20,806,977,499.48
  5. Step 5: Solve for x
    x = 20,806,977,499.48/166,847.82
  6. Step 6: Final answer
    x = 124,706.32

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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.