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Finding the Fourth Proportional to 144,282.60, 199,110.98 and 80,623.08

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Solution

The fourth proportional to 144,282.60, 199,110.98 and 80,623.08 is: 111,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,282.60 : 199,110.98 = 80,623.08 : x
  2. Step 2: Convert to fraction form
    144,282.60/199,110.98 = 80,623.08/x
  3. Step 3: Cross multiply
    144,282.60x = 199,110.98 × 80,623.08
  4. Step 4: Simplify right side
    144,282.60x = 16,052,940,469.42
  5. Step 5: Solve for x
    x = 16,052,940,469.42/144,282.60
  6. Step 6: Final answer
    x = 111,260.40

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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.