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Finding the Fourth Proportional to 166,962.70, 250,350.42 and 72,133.70

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Solution

The fourth proportional to 166,962.70, 250,350.42 and 72,133.70 is: 108,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,962.70 : 250,350.42 = 72,133.70 : x
  2. Step 2: Convert to fraction form
    166,962.70/250,350.42 = 72,133.70/x
  3. Step 3: Cross multiply
    166,962.70x = 250,350.42 × 72,133.70
  4. Step 4: Simplify right side
    166,962.70x = 18,058,702,091.15
  5. Step 5: Solve for x
    x = 18,058,702,091.15/166,962.70
  6. Step 6: Final answer
    x = 108,160.10

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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.