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Finding the Fourth Proportional to 141,549, 212,356.31 and 48,054.75

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Solution

The fourth proportional to 141,549, 212,356.31 and 48,054.75 is: 72,093.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,549 : 212,356.31 = 48,054.75 : x
  2. Step 2: Convert to fraction form
    141,549/212,356.31 = 48,054.75/x
  3. Step 3: Cross multiply
    141,549x = 212,356.31 × 48,054.75
  4. Step 4: Simplify right side
    141,549x = 10,204,729,147.70
  5. Step 5: Solve for x
    x = 10,204,729,147.70/141,549
  6. Step 6: Final answer
    x = 72,093.26

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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.