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Finding the Fourth Proportional to 267,890.70, 401,252.85 and 162,525.90

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Solution

The fourth proportional to 267,890.70, 401,252.85 and 162,525.90 is: 243,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,890.70 : 401,252.85 = 162,525.90 : x
  2. Step 2: Convert to fraction form
    267,890.70/401,252.85 = 162,525.90/x
  3. Step 3: Cross multiply
    267,890.70x = 401,252.85 × 162,525.90
  4. Step 4: Simplify right side
    267,890.70x = 65,213,980,573.82
  5. Step 5: Solve for x
    x = 65,213,980,573.82/267,890.70
  6. Step 6: Final answer
    x = 243,435.03

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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.