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Finding the Fourth Proportional to 100,529.54, 150,736.89 and 41,316.50

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Solution

The fourth proportional to 100,529.54, 150,736.89 and 41,316.50 is: 61,951.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,529.54 : 150,736.89 = 41,316.50 : x
  2. Step 2: Convert to fraction form
    100,529.54/150,736.89 = 41,316.50/x
  3. Step 3: Cross multiply
    100,529.54x = 150,736.89 × 41,316.50
  4. Step 4: Simplify right side
    100,529.54x = 6,227,920,715.69
  5. Step 5: Solve for x
    x = 6,227,920,715.69/100,529.54
  6. Step 6: Final answer
    x = 61,951.15

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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.