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Finding the Fourth Proportional to 94,442.95, 141,679.80 and 27,889.81

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Solution

The fourth proportional to 94,442.95, 141,679.80 and 27,889.81 is: 41,839.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,442.95 : 141,679.80 = 27,889.81 : x
  2. Step 2: Convert to fraction form
    94,442.95/141,679.80 = 27,889.81/x
  3. Step 3: Cross multiply
    94,442.95x = 141,679.80 × 27,889.81
  4. Step 4: Simplify right side
    94,442.95x = 3,951,422,702.84
  5. Step 5: Solve for x
    x = 3,951,422,702.84/94,442.95
  6. Step 6: Final answer
    x = 41,839.26

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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.