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Finding the Fourth Proportional to 227,460.80, 340,672.80 and 134,148.80

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Solution

The fourth proportional to 227,460.80, 340,672.80 and 134,148.80 is: 200,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,460.80 : 340,672.80 = 134,148.80 : x
  2. Step 2: Convert to fraction form
    227,460.80/340,672.80 = 134,148.80/x
  3. Step 3: Cross multiply
    227,460.80x = 340,672.80 × 134,148.80
  4. Step 4: Simplify right side
    227,460.80x = 45,700,847,312.64
  5. Step 5: Solve for x
    x = 45,700,847,312.64/227,460.80
  6. Step 6: Final answer
    x = 200,917.46

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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.