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Finding the Fourth Proportional to 183,865.20, 275,601.60 and 104,809.20

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Solution

The fourth proportional to 183,865.20, 275,601.60 and 104,809.20 is: 157,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,865.20 : 275,601.60 = 104,809.20 : x
  2. Step 2: Convert to fraction form
    183,865.20/275,601.60 = 104,809.20/x
  3. Step 3: Cross multiply
    183,865.20x = 275,601.60 × 104,809.20
  4. Step 4: Simplify right side
    183,865.20x = 28,885,583,214.72
  5. Step 5: Solve for x
    x = 28,885,583,214.72/183,865.20
  6. Step 6: Final answer
    x = 157,101.96

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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.