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Finding the Fourth Proportional to 160,986.80, 241,480.20 and 55,816.40

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Solution

The fourth proportional to 160,986.80, 241,480.20 and 55,816.40 is: 83,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,986.80 : 241,480.20 = 55,816.40 : x
  2. Step 2: Convert to fraction form
    160,986.80/241,480.20 = 55,816.40/x
  3. Step 3: Cross multiply
    160,986.80x = 241,480.20 × 55,816.40
  4. Step 4: Simplify right side
    160,986.80x = 13,478,555,435.28
  5. Step 5: Solve for x
    x = 13,478,555,435.28/160,986.80
  6. Step 6: Final answer
    x = 83,724.60

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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.