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Finding the Fourth Proportional to 171,628.60, 236,847.54 and 104,560.60

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Solution

The fourth proportional to 171,628.60, 236,847.54 and 104,560.60 is: 144,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,628.60 : 236,847.54 = 104,560.60 : x
  2. Step 2: Convert to fraction form
    171,628.60/236,847.54 = 104,560.60/x
  3. Step 3: Cross multiply
    171,628.60x = 236,847.54 × 104,560.60
  4. Step 4: Simplify right side
    171,628.60x = 24,764,920,890.92
  5. Step 5: Solve for x
    x = 24,764,920,890.92/171,628.60
  6. Step 6: Final answer
    x = 144,293.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.