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Finding the Fourth Proportional to 147,716.25, 203,849.24 and 80,648.25

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Solution

The fourth proportional to 147,716.25, 203,849.24 and 80,648.25 is: 111,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,716.25 : 203,849.24 = 80,648.25 : x
  2. Step 2: Convert to fraction form
    147,716.25/203,849.24 = 80,648.25/x
  3. Step 3: Cross multiply
    147,716.25x = 203,849.24 × 80,648.25
  4. Step 4: Simplify right side
    147,716.25x = 16,440,084,066.59
  5. Step 5: Solve for x
    x = 16,440,084,066.59/147,716.25
  6. Step 6: Final answer
    x = 111,295.03

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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.