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Finding the Fourth Proportional to 94,982.88, 142,474.32 and 39,548.64

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Solution

The fourth proportional to 94,982.88, 142,474.32 and 39,548.64 is: 59,322.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,982.88 : 142,474.32 = 39,548.64 : x
  2. Step 2: Convert to fraction form
    94,982.88/142,474.32 = 39,548.64/x
  3. Step 3: Cross multiply
    94,982.88x = 142,474.32 × 39,548.64
  4. Step 4: Simplify right side
    94,982.88x = 5,634,665,590.92
  5. Step 5: Solve for x
    x = 5,634,665,590.92/94,982.88
  6. Step 6: Final answer
    x = 59,322.96

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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.