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Finding the Fourth Proportional to 104,243.77, 156,538.63 and 65,049.99

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Solution

The fourth proportional to 104,243.77, 156,538.63 and 65,049.99 is: 97,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,243.77 : 156,538.63 = 65,049.99 : x
  2. Step 2: Convert to fraction form
    104,243.77/156,538.63 = 65,049.99/x
  3. Step 3: Cross multiply
    104,243.77x = 156,538.63 × 65,049.99
  4. Step 4: Simplify right side
    104,243.77x = 10,182,836,153.49
  5. Step 5: Solve for x
    x = 10,182,836,153.49/104,243.77
  6. Step 6: Final answer
    x = 97,682.93

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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.