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Finding the Fourth Proportional to 144,630.99, 199,594.94 and 80,968.41

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Solution

The fourth proportional to 144,630.99, 199,594.94 and 80,968.41 is: 111,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,630.99 : 199,594.94 = 80,968.41 : x
  2. Step 2: Convert to fraction form
    144,630.99/199,594.94 = 80,968.41/x
  3. Step 3: Cross multiply
    144,630.99x = 199,594.94 × 80,968.41
  4. Step 4: Simplify right side
    144,630.99x = 16,160,884,531.00
  5. Step 5: Solve for x
    x = 16,160,884,531.00/144,630.99
  6. Step 6: Final answer
    x = 111,738.74

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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.