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Finding the Fourth Proportional to 65,099.60, 97,704.72 and 46,425.44

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Solution

The fourth proportional to 65,099.60, 97,704.72 and 46,425.44 is: 69,677.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,099.60 : 97,704.72 = 46,425.44 : x
  2. Step 2: Convert to fraction form
    65,099.60/97,704.72 = 46,425.44/x
  3. Step 3: Cross multiply
    65,099.60x = 97,704.72 × 46,425.44
  4. Step 4: Simplify right side
    65,099.60x = 4,535,984,616.08
  5. Step 5: Solve for x
    x = 4,535,984,616.08/65,099.60
  6. Step 6: Final answer
    x = 69,677.61

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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.