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Finding the Fourth Proportional to 100,922.70, 151,362.45 and 44,762.70

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Solution

The fourth proportional to 100,922.70, 151,362.45 and 44,762.70 is: 67,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,922.70 : 151,362.45 = 44,762.70 : x
  2. Step 2: Convert to fraction form
    100,922.70/151,362.45 = 44,762.70/x
  3. Step 3: Cross multiply
    100,922.70x = 151,362.45 × 44,762.70
  4. Step 4: Simplify right side
    100,922.70x = 6,775,391,940.62
  5. Step 5: Solve for x
    x = 6,775,391,940.62/100,922.70
  6. Step 6: Final answer
    x = 67,134.47

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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.