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Finding the Fourth Proportional to 160,354.56, 240,529.32 and 55,174.44

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Solution

The fourth proportional to 160,354.56, 240,529.32 and 55,174.44 is: 82,760.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,354.56 : 240,529.32 = 55,174.44 : x
  2. Step 2: Convert to fraction form
    160,354.56/240,529.32 = 55,174.44/x
  3. Step 3: Cross multiply
    160,354.56x = 240,529.32 × 55,174.44
  4. Step 4: Simplify right side
    160,354.56x = 13,271,070,534.58
  5. Step 5: Solve for x
    x = 13,271,070,534.58/160,354.56
  6. Step 6: Final answer
    x = 82,760.79

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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.