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Finding the Fourth Proportional to 63,191.88, 94,720.46 and 47,561.16

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Solution

The fourth proportional to 63,191.88, 94,720.46 and 47,561.16 is: 71,291.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,191.88 : 94,720.46 = 47,561.16 : x
  2. Step 2: Convert to fraction form
    63,191.88/94,720.46 = 47,561.16/x
  3. Step 3: Cross multiply
    63,191.88x = 94,720.46 × 47,561.16
  4. Step 4: Simplify right side
    63,191.88x = 4,505,014,953.33
  5. Step 5: Solve for x
    x = 4,505,014,953.33/63,191.88
  6. Step 6: Final answer
    x = 71,291.04

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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.