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Finding the Fourth Proportional to 199,642.23, 299,511.03 and 66,523.65

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Solution

The fourth proportional to 199,642.23, 299,511.03 and 66,523.65 is: 99,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,642.23 : 299,511.03 = 66,523.65 : x
  2. Step 2: Convert to fraction form
    199,642.23/299,511.03 = 66,523.65/x
  3. Step 3: Cross multiply
    199,642.23x = 299,511.03 × 66,523.65
  4. Step 4: Simplify right side
    199,642.23x = 19,924,566,930.86
  5. Step 5: Solve for x
    x = 19,924,566,930.86/199,642.23
  6. Step 6: Final answer
    x = 99,801.36

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1.5x scale

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.