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Finding the Fourth Proportional to 231,544.34, 347,312.84 and 73,771.72

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Solution

The fourth proportional to 231,544.34, 347,312.84 and 73,771.72 is: 110,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,544.34 : 347,312.84 = 73,771.72 : x
  2. Step 2: Convert to fraction form
    231,544.34/347,312.84 = 73,771.72/x
  3. Step 3: Cross multiply
    231,544.34x = 347,312.84 × 73,771.72
  4. Step 4: Simplify right side
    231,544.34x = 25,621,865,584.88
  5. Step 5: Solve for x
    x = 25,621,865,584.88/231,544.34
  6. Step 6: Final answer
    x = 110,656.41

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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.