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Finding the Fourth Proportional to 167,905.80, 251,858.70 and 166,350.60

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Solution

The fourth proportional to 167,905.80, 251,858.70 and 166,350.60 is: 249,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,905.80 : 251,858.70 = 166,350.60 : x
  2. Step 2: Convert to fraction form
    167,905.80/251,858.70 = 166,350.60/x
  3. Step 3: Cross multiply
    167,905.80x = 251,858.70 × 166,350.60
  4. Step 4: Simplify right side
    167,905.80x = 41,896,845,860.22
  5. Step 5: Solve for x
    x = 41,896,845,860.22/167,905.80
  6. Step 6: Final answer
    x = 249,525.90

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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.