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Finding the Fourth Proportional to 66,792.60, 99,425.61 and 65,796.03

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Solution

The fourth proportional to 66,792.60, 99,425.61 and 65,796.03 is: 97,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,792.60 : 99,425.61 = 65,796.03 : x
  2. Step 2: Convert to fraction form
    66,792.60/99,425.61 = 65,796.03/x
  3. Step 3: Cross multiply
    66,792.60x = 99,425.61 × 65,796.03
  4. Step 4: Simplify right side
    66,792.60x = 6,541,810,418.33
  5. Step 5: Solve for x
    x = 6,541,810,418.33/66,792.60
  6. Step 6: Final answer
    x = 97,942.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.