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Finding the Fourth Proportional to 160,796.24, 240,928.12 and 55,556.72

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Solution

The fourth proportional to 160,796.24, 240,928.12 and 55,556.72 is: 83,243.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,796.24 : 240,928.12 = 55,556.72 : x
  2. Step 2: Convert to fraction form
    160,796.24/240,928.12 = 55,556.72/x
  3. Step 3: Cross multiply
    160,796.24x = 240,928.12 × 55,556.72
  4. Step 4: Simplify right side
    160,796.24x = 13,385,176,102.97
  5. Step 5: Solve for x
    x = 13,385,176,102.97/160,796.24
  6. Step 6: Final answer
    x = 83,243.09

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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.