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Finding the Fourth Proportional to 104,963.44, 156,749.42 and 92,245.36

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Solution

The fourth proportional to 104,963.44, 156,749.42 and 92,245.36 is: 137,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,963.44 : 156,749.42 = 92,245.36 : x
  2. Step 2: Convert to fraction form
    104,963.44/156,749.42 = 92,245.36/x
  3. Step 3: Cross multiply
    104,963.44x = 156,749.42 × 92,245.36
  4. Step 4: Simplify right side
    104,963.44x = 14,459,406,677.69
  5. Step 5: Solve for x
    x = 14,459,406,677.69/104,963.44
  6. Step 6: Final answer
    x = 137,756.60

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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.