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Finding the Fourth Proportional to 144,693.62, 199,678.60 and 80,164.23

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Solution

The fourth proportional to 144,693.62, 199,678.60 and 80,164.23 is: 110,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,693.62 : 199,678.60 = 80,164.23 : x
  2. Step 2: Convert to fraction form
    144,693.62/199,678.60 = 80,164.23/x
  3. Step 3: Cross multiply
    144,693.62x = 199,678.60 × 80,164.23
  4. Step 4: Simplify right side
    144,693.62x = 16,007,081,216.48
  5. Step 5: Solve for x
    x = 16,007,081,216.48/144,693.62
  6. Step 6: Final answer
    x = 110,627.42

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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.