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Finding the Fourth Proportional to 100,608.38, 150,795.92 and 94,776.38

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Solution

The fourth proportional to 100,608.38, 150,795.92 and 94,776.38 is: 142,054.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,608.38 : 150,795.92 = 94,776.38 : x
  2. Step 2: Convert to fraction form
    100,608.38/150,795.92 = 94,776.38/x
  3. Step 3: Cross multiply
    100,608.38x = 150,795.92 × 94,776.38
  4. Step 4: Simplify right side
    100,608.38x = 14,291,891,416.37
  5. Step 5: Solve for x
    x = 14,291,891,416.37/100,608.38
  6. Step 6: Final answer
    x = 142,054.68

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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.