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Finding the Fourth Proportional to 94,755.75, 130,760.99 and 54,468.48

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Solution

The fourth proportional to 94,755.75, 130,760.99 and 54,468.48 is: 75,165.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,755.75 : 130,760.99 = 54,468.48 : x
  2. Step 2: Convert to fraction form
    94,755.75/130,760.99 = 54,468.48/x
  3. Step 3: Cross multiply
    94,755.75x = 130,760.99 × 54,468.48
  4. Step 4: Simplify right side
    94,755.75x = 7,122,352,368.60
  5. Step 5: Solve for x
    x = 7,122,352,368.60/94,755.75
  6. Step 6: Final answer
    x = 75,165.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.