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Finding the Fourth Proportional to 166,670.10, 249,276.15 and 149,028.30

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Solution

The fourth proportional to 166,670.10, 249,276.15 and 149,028.30 is: 222,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,670.10 : 249,276.15 = 149,028.30 : x
  2. Step 2: Convert to fraction form
    166,670.10/249,276.15 = 149,028.30/x
  3. Step 3: Cross multiply
    166,670.10x = 249,276.15 × 149,028.30
  4. Step 4: Simplify right side
    166,670.10x = 37,149,200,865.05
  5. Step 5: Solve for x
    x = 37,149,200,865.05/166,670.10
  6. Step 6: Final answer
    x = 222,890.61

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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.