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Finding the Fourth Proportional to 160,610.56, 240,954.12 and 55,430.44

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Solution

The fourth proportional to 160,610.56, 240,954.12 and 55,430.44 is: 83,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,610.56 : 240,954.12 = 55,430.44 : x
  2. Step 2: Convert to fraction form
    160,610.56/240,954.12 = 55,430.44/x
  3. Step 3: Cross multiply
    160,610.56x = 240,954.12 × 55,430.44
  4. Step 4: Simplify right side
    160,610.56x = 13,356,192,891.41
  5. Step 5: Solve for x
    x = 13,356,192,891.41/160,610.56
  6. Step 6: Final answer
    x = 83,158.87

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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.