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Finding the Fourth Proportional to 63,147.68, 94,600 and 39,464.48

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Solution

The fourth proportional to 63,147.68, 94,600 and 39,464.48 is: 59,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,147.68 : 94,600 = 39,464.48 : x
  2. Step 2: Convert to fraction form
    63,147.68/94,600 = 39,464.48/x
  3. Step 3: Cross multiply
    63,147.68x = 94,600 × 39,464.48
  4. Step 4: Simplify right side
    63,147.68x = 3,733,339,808.00
  5. Step 5: Solve for x
    x = 3,733,339,808.00/63,147.68
  6. Step 6: Final answer
    x = 59,120.78

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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.