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Finding the Fourth Proportional to 94,825.54, 130,863 and 54,539.25

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Solution

The fourth proportional to 94,825.54, 130,863 and 54,539.25 is: 75,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,825.54 : 130,863 = 54,539.25 : x
  2. Step 2: Convert to fraction form
    94,825.54/130,863 = 54,539.25/x
  3. Step 3: Cross multiply
    94,825.54x = 130,863 × 54,539.25
  4. Step 4: Simplify right side
    94,825.54x = 7,137,169,872.75
  5. Step 5: Solve for x
    x = 7,137,169,872.75/94,825.54
  6. Step 6: Final answer
    x = 75,266.32

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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.