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Finding the Fourth Proportional to 183,270.32, 274,438.80 and 120,751.28

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Solution

The fourth proportional to 183,270.32, 274,438.80 and 120,751.28 is: 180,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,270.32 : 274,438.80 = 120,751.28 : x
  2. Step 2: Convert to fraction form
    183,270.32/274,438.80 = 120,751.28/x
  3. Step 3: Cross multiply
    183,270.32x = 274,438.80 × 120,751.28
  4. Step 4: Simplify right side
    183,270.32x = 33,138,836,381.66
  5. Step 5: Solve for x
    x = 33,138,836,381.66/183,270.32
  6. Step 6: Final answer
    x = 180,819.44

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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.