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Finding the Fourth Proportional to 101,225.68, 151,786.60 and 59,187.90

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Solution

The fourth proportional to 101,225.68, 151,786.60 and 59,187.90 is: 88,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,225.68 : 151,786.60 = 59,187.90 : x
  2. Step 2: Convert to fraction form
    101,225.68/151,786.60 = 59,187.90/x
  3. Step 3: Cross multiply
    101,225.68x = 151,786.60 × 59,187.90
  4. Step 4: Simplify right side
    101,225.68x = 8,983,930,102.14
  5. Step 5: Solve for x
    x = 8,983,930,102.14/101,225.68
  6. Step 6: Final answer
    x = 88,751.49

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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.