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Finding the Fourth Proportional to 270,349.17, 373,077.96 and 149,487.80

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Solution

The fourth proportional to 270,349.17, 373,077.96 and 149,487.80 is: 206,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,349.17 : 373,077.96 = 149,487.80 : x
  2. Step 2: Convert to fraction form
    270,349.17/373,077.96 = 149,487.80/x
  3. Step 3: Cross multiply
    270,349.17x = 373,077.96 × 149,487.80
  4. Step 4: Simplify right side
    270,349.17x = 55,770,601,603.50
  5. Step 5: Solve for x
    x = 55,770,601,603.50/270,349.17
  6. Step 6: Final answer
    x = 206,291.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.