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Finding the Fourth Proportional to 267,990.32, 369,999.69 and 166,124.11

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Solution

The fourth proportional to 267,990.32, 369,999.69 and 166,124.11 is: 229,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,990.32 : 369,999.69 = 166,124.11 : x
  2. Step 2: Convert to fraction form
    267,990.32/369,999.69 = 166,124.11/x
  3. Step 3: Cross multiply
    267,990.32x = 369,999.69 × 166,124.11
  4. Step 4: Simplify right side
    267,990.32x = 61,465,869,201.53
  5. Step 5: Solve for x
    x = 61,465,869,201.53/267,990.32
  6. Step 6: Final answer
    x = 229,358.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.