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Finding the Fourth Proportional to 104,495.81, 156,749.64 and 33,424.69

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Solution

The fourth proportional to 104,495.81, 156,749.64 and 33,424.69 is: 50,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,495.81 : 156,749.64 = 33,424.69 : x
  2. Step 2: Convert to fraction form
    104,495.81/156,749.64 = 33,424.69/x
  3. Step 3: Cross multiply
    104,495.81x = 156,749.64 × 33,424.69
  4. Step 4: Simplify right side
    104,495.81x = 5,239,308,124.61
  5. Step 5: Solve for x
    x = 5,239,308,124.61/104,495.81
  6. Step 6: Final answer
    x = 50,138.93

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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.