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Finding the Fourth Proportional to 144,649.75, 217,009.26 and 60,363.02

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Solution

The fourth proportional to 144,649.75, 217,009.26 and 60,363.02 is: 90,558.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,649.75 : 217,009.26 = 60,363.02 : x
  2. Step 2: Convert to fraction form
    144,649.75/217,009.26 = 60,363.02/x
  3. Step 3: Cross multiply
    144,649.75x = 217,009.26 × 60,363.02
  4. Step 4: Simplify right side
    144,649.75x = 13,099,334,844.09
  5. Step 5: Solve for x
    x = 13,099,334,844.09/144,649.75
  6. Step 6: Final answer
    x = 90,558.99

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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.