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Finding the Fourth Proportional to 227,765.40, 341,907.30 and 134,323.80

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Solution

The fourth proportional to 227,765.40, 341,907.30 and 134,323.80 is: 201,638.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,765.40 : 341,907.30 = 134,323.80 : x
  2. Step 2: Convert to fraction form
    227,765.40/341,907.30 = 134,323.80/x
  3. Step 3: Cross multiply
    227,765.40x = 341,907.30 × 134,323.80
  4. Step 4: Simplify right side
    227,765.40x = 45,926,287,783.74
  5. Step 5: Solve for x
    x = 45,926,287,783.74/227,765.40
  6. Step 6: Final answer
    x = 201,638.56

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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.