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Finding the Fourth Proportional to 199,090.56, 298,601.28 and 67,762.56

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Solution

The fourth proportional to 199,090.56, 298,601.28 and 67,762.56 is: 101,632.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,090.56 : 298,601.28 = 67,762.56 : x
  2. Step 2: Convert to fraction form
    199,090.56/298,601.28 = 67,762.56/x
  3. Step 3: Cross multiply
    199,090.56x = 298,601.28 × 67,762.56
  4. Step 4: Simplify right side
    199,090.56x = 20,233,987,152.08
  5. Step 5: Solve for x
    x = 20,233,987,152.08/199,090.56
  6. Step 6: Final answer
    x = 101,632.08

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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.