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Finding the Fourth Proportional to 144,881.20, 217,224.60 and 65,954.80

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Solution

The fourth proportional to 144,881.20, 217,224.60 and 65,954.80 is: 98,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,881.20 : 217,224.60 = 65,954.80 : x
  2. Step 2: Convert to fraction form
    144,881.20/217,224.60 = 65,954.80/x
  3. Step 3: Cross multiply
    144,881.20x = 217,224.60 × 65,954.80
  4. Step 4: Simplify right side
    144,881.20x = 14,327,005,048.08
  5. Step 5: Solve for x
    x = 14,327,005,048.08/144,881.20
  6. Step 6: Final answer
    x = 98,887.95

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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.