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Finding the Fourth Proportional to 84,757.68, 116,936.55 and 48,433.03

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Solution

The fourth proportional to 84,757.68, 116,936.55 and 48,433.03 is: 66,820.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,757.68 : 116,936.55 = 48,433.03 : x
  2. Step 2: Convert to fraction form
    84,757.68/116,936.55 = 48,433.03/x
  3. Step 3: Cross multiply
    84,757.68x = 116,936.55 × 48,433.03
  4. Step 4: Simplify right side
    84,757.68x = 5,663,590,970.65
  5. Step 5: Solve for x
    x = 5,663,590,970.65/84,757.68
  6. Step 6: Final answer
    x = 66,820.98

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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.