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Finding the Fourth Proportional to 199,801.32, 299,849.91 and 94,620.60

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Solution

The fourth proportional to 199,801.32, 299,849.91 and 94,620.60 is: 142,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,801.32 : 299,849.91 = 94,620.60 : x
  2. Step 2: Convert to fraction form
    199,801.32/299,849.91 = 94,620.60/x
  3. Step 3: Cross multiply
    199,801.32x = 299,849.91 × 94,620.60
  4. Step 4: Simplify right side
    199,801.32x = 28,371,978,394.15
  5. Step 5: Solve for x
    x = 28,371,978,394.15/199,801.32
  6. Step 6: Final answer
    x = 142,000.96

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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.