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Finding the Fourth Proportional to 160,670.45, 240,921.44 and 55,464.41

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Solution

The fourth proportional to 160,670.45, 240,921.44 and 55,464.41 is: 83,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,670.45 : 240,921.44 = 55,464.41 : x
  2. Step 2: Convert to fraction form
    160,670.45/240,921.44 = 55,464.41/x
  3. Step 3: Cross multiply
    160,670.45x = 240,921.44 × 55,464.41
  4. Step 4: Simplify right side
    160,670.45x = 13,362,566,058.92
  5. Step 5: Solve for x
    x = 13,362,566,058.92/160,670.45
  6. Step 6: Final answer
    x = 83,167.54

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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.