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Finding the Fourth Proportional to 160,245.80, 240,051.90 and 140,546.60

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Solution

The fourth proportional to 160,245.80, 240,051.90 and 140,546.60 is: 210,542.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,245.80 : 240,051.90 = 140,546.60 : x
  2. Step 2: Convert to fraction form
    160,245.80/240,051.90 = 140,546.60/x
  3. Step 3: Cross multiply
    160,245.80x = 240,051.90 × 140,546.60
  4. Step 4: Simplify right side
    160,245.80x = 33,738,478,368.54
  5. Step 5: Solve for x
    x = 33,738,478,368.54/160,245.80
  6. Step 6: Final answer
    x = 210,542.04

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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.