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Finding the Fourth Proportional to 199,324.52, 298,921.80 and 66,169.04

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Solution

The fourth proportional to 199,324.52, 298,921.80 and 66,169.04 is: 99,231.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,324.52 : 298,921.80 = 66,169.04 : x
  2. Step 2: Convert to fraction form
    199,324.52/298,921.80 = 66,169.04/x
  3. Step 3: Cross multiply
    199,324.52x = 298,921.80 × 66,169.04
  4. Step 4: Simplify right side
    199,324.52x = 19,779,368,541.07
  5. Step 5: Solve for x
    x = 19,779,368,541.07/199,324.52
  6. Step 6: Final answer
    x = 99,231.99

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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.