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Finding the Fourth Proportional to 144,704.48, 199,694.44 and 83,416.84

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Solution

The fourth proportional to 144,704.48, 199,694.44 and 83,416.84 is: 115,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,704.48 : 199,694.44 = 83,416.84 : x
  2. Step 2: Convert to fraction form
    144,704.48/199,694.44 = 83,416.84/x
  3. Step 3: Cross multiply
    144,704.48x = 199,694.44 × 83,416.84
  4. Step 4: Simplify right side
    144,704.48x = 16,657,879,150.37
  5. Step 5: Solve for x
    x = 16,657,879,150.37/144,704.48
  6. Step 6: Final answer
    x = 115,116.54

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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.