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Finding the Fourth Proportional to 203,921.70, 305,882.55 and 183,254.55

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Solution

The fourth proportional to 203,921.70, 305,882.55 and 183,254.55 is: 274,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,921.70 : 305,882.55 = 183,254.55 : x
  2. Step 2: Convert to fraction form
    203,921.70/305,882.55 = 183,254.55/x
  3. Step 3: Cross multiply
    203,921.70x = 305,882.55 × 183,254.55
  4. Step 4: Simplify right side
    203,921.70x = 56,054,369,053.10
  5. Step 5: Solve for x
    x = 56,054,369,053.10/203,921.70
  6. Step 6: Final answer
    x = 274,881.83

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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.