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Finding the Fourth Proportional to 273,466.60, 409,543.80 and 133,061.20

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Solution

The fourth proportional to 273,466.60, 409,543.80 and 133,061.20 is: 199,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,466.60 : 409,543.80 = 133,061.20 : x
  2. Step 2: Convert to fraction form
    273,466.60/409,543.80 = 133,061.20/x
  3. Step 3: Cross multiply
    273,466.60x = 409,543.80 × 133,061.20
  4. Step 4: Simplify right side
    273,466.60x = 54,494,389,480.56
  5. Step 5: Solve for x
    x = 54,494,389,480.56/273,466.60
  6. Step 6: Final answer
    x = 199,272.56

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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.