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Finding the Fourth Proportional to 144,190.98, 216,286.43 and 104,997.51

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Solution

The fourth proportional to 144,190.98, 216,286.43 and 104,997.51 is: 157,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,190.98 : 216,286.43 = 104,997.51 : x
  2. Step 2: Convert to fraction form
    144,190.98/216,286.43 = 104,997.51/x
  3. Step 3: Cross multiply
    144,190.98x = 216,286.43 × 104,997.51
  4. Step 4: Simplify right side
    144,190.98x = 22,709,536,071.80
  5. Step 5: Solve for x
    x = 22,709,536,071.80/144,190.98
  6. Step 6: Final answer
    x = 157,496.23

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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.