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Finding the Fourth Proportional to 101,094.66, 151,735.08 and 51,209.49

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Solution

The fourth proportional to 101,094.66, 151,735.08 and 51,209.49 is: 76,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,094.66 : 151,735.08 = 51,209.49 : x
  2. Step 2: Convert to fraction form
    101,094.66/151,735.08 = 51,209.49/x
  3. Step 3: Cross multiply
    101,094.66x = 151,735.08 × 51,209.49
  4. Step 4: Simplify right side
    101,094.66x = 7,770,276,061.91
  5. Step 5: Solve for x
    x = 7,770,276,061.91/101,094.66
  6. Step 6: Final answer
    x = 76,861.39

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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.