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Finding the Fourth Proportional to 494,164.67, 741,259.14 and 139,176.29

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Solution

The fourth proportional to 494,164.67, 741,259.14 and 139,176.29 is: 208,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,164.67 : 741,259.14 = 139,176.29 : x
  2. Step 2: Convert to fraction form
    494,164.67/741,259.14 = 139,176.29/x
  3. Step 3: Cross multiply
    494,164.67x = 741,259.14 × 139,176.29
  4. Step 4: Simplify right side
    494,164.67x = 103,165,693,327.50
  5. Step 5: Solve for x
    x = 103,165,693,327.50/494,164.67
  6. Step 6: Final answer
    x = 208,767.85

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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.