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Finding the Fourth Proportional to 183,796.20, 275,694.30 and 154,271.70

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Solution

The fourth proportional to 183,796.20, 275,694.30 and 154,271.70 is: 231,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,796.20 : 275,694.30 = 154,271.70 : x
  2. Step 2: Convert to fraction form
    183,796.20/275,694.30 = 154,271.70/x
  3. Step 3: Cross multiply
    183,796.20x = 275,694.30 × 154,271.70
  4. Step 4: Simplify right side
    183,796.20x = 42,531,828,341.31
  5. Step 5: Solve for x
    x = 42,531,828,341.31/183,796.20
  6. Step 6: Final answer
    x = 231,407.55

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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.