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Finding the Fourth Proportional to 101,330.70, 151,999.12 and 34,769.88

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Solution

The fourth proportional to 101,330.70, 151,999.12 and 34,769.88 is: 52,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,330.70 : 151,999.12 = 34,769.88 : x
  2. Step 2: Convert to fraction form
    101,330.70/151,999.12 = 34,769.88/x
  3. Step 3: Cross multiply
    101,330.70x = 151,999.12 × 34,769.88
  4. Step 4: Simplify right side
    101,330.70x = 5,284,991,162.51
  5. Step 5: Solve for x
    x = 5,284,991,162.51/101,330.70
  6. Step 6: Final answer
    x = 52,155.87

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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.