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Finding the Fourth Proportional to 167,485.50, 251,087.01 and 72,644.26

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Solution

The fourth proportional to 167,485.50, 251,087.01 and 72,644.26 is: 108,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,485.50 : 251,087.01 = 72,644.26 : x
  2. Step 2: Convert to fraction form
    167,485.50/251,087.01 = 72,644.26/x
  3. Step 3: Cross multiply
    167,485.50x = 251,087.01 × 72,644.26
  4. Step 4: Simplify right side
    167,485.50x = 18,240,029,681.76
  5. Step 5: Solve for x
    x = 18,240,029,681.76/167,485.50
  6. Step 6: Final answer
    x = 108,905.12

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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.