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Finding the Fourth Proportional to 104,245.53, 156,541.26 and 65,051.74

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Solution

The fourth proportional to 104,245.53, 156,541.26 and 65,051.74 is: 97,685.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,245.53 : 156,541.26 = 65,051.74 : x
  2. Step 2: Convert to fraction form
    104,245.53/156,541.26 = 65,051.74/x
  3. Step 3: Cross multiply
    104,245.53x = 156,541.26 × 65,051.74
  4. Step 4: Simplify right side
    104,245.53x = 10,183,281,344.79
  5. Step 5: Solve for x
    x = 10,183,281,344.79/104,245.53
  6. Step 6: Final answer
    x = 97,685.54

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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.