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Finding the Fourth Proportional to 167,079.80, 251,202.90 and 163,580.60

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Solution

The fourth proportional to 167,079.80, 251,202.90 and 163,580.60 is: 245,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,079.80 : 251,202.90 = 163,580.60 : x
  2. Step 2: Convert to fraction form
    167,079.80/251,202.90 = 163,580.60/x
  3. Step 3: Cross multiply
    167,079.80x = 251,202.90 × 163,580.60
  4. Step 4: Simplify right side
    167,079.80x = 41,091,921,103.74
  5. Step 5: Solve for x
    x = 41,091,921,103.74/167,079.80
  6. Step 6: Final answer
    x = 245,941.89

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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.