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Finding the Fourth Proportional to 144,223.79, 199,100.39 and 109,951.07

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Solution

The fourth proportional to 144,223.79, 199,100.39 and 109,951.07 is: 151,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,223.79 : 199,100.39 = 109,951.07 : x
  2. Step 2: Convert to fraction form
    144,223.79/199,100.39 = 109,951.07/x
  3. Step 3: Cross multiply
    144,223.79x = 199,100.39 × 109,951.07
  4. Step 4: Simplify right side
    144,223.79x = 21,891,299,372.66
  5. Step 5: Solve for x
    x = 21,891,299,372.66/144,223.79
  6. Step 6: Final answer
    x = 151,787.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.