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Finding the Fourth Proportional to 200,083.86, 299,792.61 and 140,794.97

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Solution

The fourth proportional to 200,083.86, 299,792.61 and 140,794.97 is: 210,958.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,083.86 : 299,792.61 = 140,794.97 : x
  2. Step 2: Convert to fraction form
    200,083.86/299,792.61 = 140,794.97/x
  3. Step 3: Cross multiply
    200,083.86x = 299,792.61 × 140,794.97
  4. Step 4: Simplify right side
    200,083.86x = 42,209,291,531.17
  5. Step 5: Solve for x
    x = 42,209,291,531.17/200,083.86
  6. Step 6: Final answer
    x = 210,958.00

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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.