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Finding the Fourth Proportional to 267,999.60, 401,653.80 and 162,706.80

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Solution

The fourth proportional to 267,999.60, 401,653.80 and 162,706.80 is: 243,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,999.60 : 401,653.80 = 162,706.80 : x
  2. Step 2: Convert to fraction form
    267,999.60/401,653.80 = 162,706.80/x
  3. Step 3: Cross multiply
    267,999.60x = 401,653.80 × 162,706.80
  4. Step 4: Simplify right side
    267,999.60x = 65,351,804,505.84
  5. Step 5: Solve for x
    x = 65,351,804,505.84/267,999.60
  6. Step 6: Final answer
    x = 243,850.38

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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.