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Finding the Fourth Proportional to 101,064.15, 151,650.90 and 41,905.80

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Solution

The fourth proportional to 101,064.15, 151,650.90 and 41,905.80 is: 62,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,064.15 : 151,650.90 = 41,905.80 : x
  2. Step 2: Convert to fraction form
    101,064.15/151,650.90 = 41,905.80/x
  3. Step 3: Cross multiply
    101,064.15x = 151,650.90 × 41,905.80
  4. Step 4: Simplify right side
    101,064.15x = 6,355,052,285.22
  5. Step 5: Solve for x
    x = 6,355,052,285.22/101,064.15
  6. Step 6: Final answer
    x = 62,881.37

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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.