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Finding the Fourth Proportional to 167,553.60, 251,330.40 and 156,399.90

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Solution

The fourth proportional to 167,553.60, 251,330.40 and 156,399.90 is: 234,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,553.60 : 251,330.40 = 156,399.90 : x
  2. Step 2: Convert to fraction form
    167,553.60/251,330.40 = 156,399.90/x
  3. Step 3: Cross multiply
    167,553.60x = 251,330.40 × 156,399.90
  4. Step 4: Simplify right side
    167,553.60x = 39,308,049,426.96
  5. Step 5: Solve for x
    x = 39,308,049,426.96/167,553.60
  6. Step 6: Final answer
    x = 234,599.85

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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.