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Finding the Fourth Proportional to 166,884.57, 250,417.95 and 70,806.96

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Solution

The fourth proportional to 166,884.57, 250,417.95 and 70,806.96 is: 106,249.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,884.57 : 250,417.95 = 70,806.96 : x
  2. Step 2: Convert to fraction form
    166,884.57/250,417.95 = 70,806.96/x
  3. Step 3: Cross multiply
    166,884.57x = 250,417.95 × 70,806.96
  4. Step 4: Simplify right side
    166,884.57x = 17,731,333,768.93
  5. Step 5: Solve for x
    x = 17,731,333,768.93/166,884.57
  6. Step 6: Final answer
    x = 106,249.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.