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Finding the Fourth Proportional to 63,199.94, 94,799.90 and 18,825.54

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Solution

The fourth proportional to 63,199.94, 94,799.90 and 18,825.54 is: 28,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,199.94 : 94,799.90 = 18,825.54 : x
  2. Step 2: Convert to fraction form
    63,199.94/94,799.90 = 18,825.54/x
  3. Step 3: Cross multiply
    63,199.94x = 94,799.90 × 18,825.54
  4. Step 4: Simplify right side
    63,199.94x = 1,784,658,741.32
  5. Step 5: Solve for x
    x = 1,784,658,741.32/63,199.94
  6. Step 6: Final answer
    x = 28,238.30

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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.