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Finding the Fourth Proportional to 65,176.80, 97,716.60 and 27,706.20

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Solution

The fourth proportional to 65,176.80, 97,716.60 and 27,706.20 is: 41,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,176.80 : 97,716.60 = 27,706.20 : x
  2. Step 2: Convert to fraction form
    65,176.80/97,716.60 = 27,706.20/x
  3. Step 3: Cross multiply
    65,176.80x = 97,716.60 × 27,706.20
  4. Step 4: Simplify right side
    65,176.80x = 2,707,355,662.92
  5. Step 5: Solve for x
    x = 2,707,355,662.92/65,176.80
  6. Step 6: Final answer
    x = 41,538.64

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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.