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Finding the Fourth Proportional to 66,448.88, 99,370.28 and 49,593.80

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Solution

The fourth proportional to 66,448.88, 99,370.28 and 49,593.80 is: 74,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,448.88 : 99,370.28 = 49,593.80 : x
  2. Step 2: Convert to fraction form
    66,448.88/99,370.28 = 49,593.80/x
  3. Step 3: Cross multiply
    66,448.88x = 99,370.28 × 49,593.80
  4. Step 4: Simplify right side
    66,448.88x = 4,928,149,792.26
  5. Step 5: Solve for x
    x = 4,928,149,792.26/66,448.88
  6. Step 6: Final answer
    x = 74,164.53

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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.