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Finding the Fourth Proportional to 105,791.40, 158,682.60 and 35,670.60

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Solution

The fourth proportional to 105,791.40, 158,682.60 and 35,670.60 is: 53,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,791.40 : 158,682.60 = 35,670.60 : x
  2. Step 2: Convert to fraction form
    105,791.40/158,682.60 = 35,670.60/x
  3. Step 3: Cross multiply
    105,791.40x = 158,682.60 × 35,670.60
  4. Step 4: Simplify right side
    105,791.40x = 5,660,303,551.56
  5. Step 5: Solve for x
    x = 5,660,303,551.56/105,791.40
  6. Step 6: Final answer
    x = 53,504.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.