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Finding the Fourth Proportional to 167,074.64, 250,648.86 and 82,880.60

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Solution

The fourth proportional to 167,074.64, 250,648.86 and 82,880.60 is: 124,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,074.64 : 250,648.86 = 82,880.60 : x
  2. Step 2: Convert to fraction form
    167,074.64/250,648.86 = 82,880.60/x
  3. Step 3: Cross multiply
    167,074.64x = 250,648.86 × 82,880.60
  4. Step 4: Simplify right side
    167,074.64x = 20,773,926,652.87
  5. Step 5: Solve for x
    x = 20,773,926,652.87/167,074.64
  6. Step 6: Final answer
    x = 124,339.20

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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.