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Finding the Fourth Proportional to 144,794.88, 217,255.68 and 65,917.44

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Solution

The fourth proportional to 144,794.88, 217,255.68 and 65,917.44 is: 98,905.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,794.88 : 217,255.68 = 65,917.44 : x
  2. Step 2: Convert to fraction form
    144,794.88/217,255.68 = 65,917.44/x
  3. Step 3: Cross multiply
    144,794.88x = 217,255.68 × 65,917.44
  4. Step 4: Simplify right side
    144,794.88x = 14,320,938,251.06
  5. Step 5: Solve for x
    x = 14,320,938,251.06/144,794.88
  6. Step 6: Final answer
    x = 98,905.00

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1.5x scale

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.