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Finding the Fourth Proportional to 234,927.90, 351,808.65 and 188,271.90

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Solution

The fourth proportional to 234,927.90, 351,808.65 and 188,271.90 is: 281,940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,927.90 : 351,808.65 = 188,271.90 : x
  2. Step 2: Convert to fraction form
    234,927.90/351,808.65 = 188,271.90/x
  3. Step 3: Cross multiply
    234,927.90x = 351,808.65 × 188,271.90
  4. Step 4: Simplify right side
    234,927.90x = 66,235,682,971.94
  5. Step 5: Solve for x
    x = 66,235,682,971.94/234,927.90
  6. Step 6: Final answer
    x = 281,940.47

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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.