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Finding the Fourth Proportional to 160,540.86, 240,858.81 and 55,370.46

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Solution

The fourth proportional to 160,540.86, 240,858.81 and 55,370.46 is: 83,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,540.86 : 240,858.81 = 55,370.46 : x
  2. Step 2: Convert to fraction form
    160,540.86/240,858.81 = 55,370.46/x
  3. Step 3: Cross multiply
    160,540.86x = 240,858.81 × 55,370.46
  4. Step 4: Simplify right side
    160,540.86x = 13,336,463,104.75
  5. Step 5: Solve for x
    x = 13,336,463,104.75/160,540.86
  6. Step 6: Final answer
    x = 83,072.08

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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.