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Finding the Fourth Proportional to 183,057.75, 274,375.80 and 70,688.46

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Solution

The fourth proportional to 183,057.75, 274,375.80 and 70,688.46 is: 105,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,057.75 : 274,375.80 = 70,688.46 : x
  2. Step 2: Convert to fraction form
    183,057.75/274,375.80 = 70,688.46/x
  3. Step 3: Cross multiply
    183,057.75x = 274,375.80 × 70,688.46
  4. Step 4: Simplify right side
    183,057.75x = 19,395,202,763.27
  5. Step 5: Solve for x
    x = 19,395,202,763.27/183,057.75
  6. Step 6: Final answer
    x = 105,951.28

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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.