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Finding the Fourth Proportional to 167,790.40, 251,685.60 and 159,625.60

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Solution

The fourth proportional to 167,790.40, 251,685.60 and 159,625.60 is: 239,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,790.40 : 251,685.60 = 159,625.60 : x
  2. Step 2: Convert to fraction form
    167,790.40/251,685.60 = 159,625.60/x
  3. Step 3: Cross multiply
    167,790.40x = 251,685.60 × 159,625.60
  4. Step 4: Simplify right side
    167,790.40x = 40,175,464,911.36
  5. Step 5: Solve for x
    x = 40,175,464,911.36/167,790.40
  6. Step 6: Final answer
    x = 239,438.40

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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.