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Finding the Fourth Proportional to 248,238.36, 372,369.60 and 70,757.64

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Solution

The fourth proportional to 248,238.36, 372,369.60 and 70,757.64 is: 106,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,238.36 : 372,369.60 = 70,757.64 : x
  2. Step 2: Convert to fraction form
    248,238.36/372,369.60 = 70,757.64/x
  3. Step 3: Cross multiply
    248,238.36x = 372,369.60 × 70,757.64
  4. Step 4: Simplify right side
    248,238.36x = 26,347,994,103.74
  5. Step 5: Solve for x
    x = 26,347,994,103.74/248,238.36
  6. Step 6: Final answer
    x = 106,139.90

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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.