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Finding the Fourth Proportional to 160,540.80, 240,638.40 and 60,662.40

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Solution

The fourth proportional to 160,540.80, 240,638.40 and 60,662.40 is: 90,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,540.80 : 240,638.40 = 60,662.40 : x
  2. Step 2: Convert to fraction form
    160,540.80/240,638.40 = 60,662.40/x
  3. Step 3: Cross multiply
    160,540.80x = 240,638.40 × 60,662.40
  4. Step 4: Simplify right side
    160,540.80x = 14,597,702,876.16
  5. Step 5: Solve for x
    x = 14,597,702,876.16/160,540.80
  6. Step 6: Final answer
    x = 90,928.31

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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.