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Finding the Fourth Proportional to 199,580.54, 299,523.08 and 73,340.42

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Solution

The fourth proportional to 199,580.54, 299,523.08 and 73,340.42 is: 110,066.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,580.54 : 299,523.08 = 73,340.42 : x
  2. Step 2: Convert to fraction form
    199,580.54/299,523.08 = 73,340.42/x
  3. Step 3: Cross multiply
    199,580.54x = 299,523.08 × 73,340.42
  4. Step 4: Simplify right side
    199,580.54x = 21,967,147,172.63
  5. Step 5: Solve for x
    x = 21,967,147,172.63/199,580.54
  6. Step 6: Final answer
    x = 110,066.58

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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.