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Finding the Fourth Proportional to 158,609.88, 237,977.09 and 69,801.09

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Solution

The fourth proportional to 158,609.88, 237,977.09 and 69,801.09 is: 104,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,609.88 : 237,977.09 = 69,801.09 : x
  2. Step 2: Convert to fraction form
    158,609.88/237,977.09 = 69,801.09/x
  3. Step 3: Cross multiply
    158,609.88x = 237,977.09 × 69,801.09
  4. Step 4: Simplify right side
    158,609.88x = 16,611,060,451.53
  5. Step 5: Solve for x
    x = 16,611,060,451.53/158,609.88
  6. Step 6: Final answer
    x = 104,729.04

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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.