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Finding the Fourth Proportional to 160,243.80, 240,048.90 and 140,544.60

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Solution

The fourth proportional to 160,243.80, 240,048.90 and 140,544.60 is: 210,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,243.80 : 240,048.90 = 140,544.60 : x
  2. Step 2: Convert to fraction form
    160,243.80/240,048.90 = 140,544.60/x
  3. Step 3: Cross multiply
    160,243.80x = 240,048.90 × 140,544.60
  4. Step 4: Simplify right side
    160,243.80x = 33,737,576,630.94
  5. Step 5: Solve for x
    x = 33,737,576,630.94/160,243.80
  6. Step 6: Final answer
    x = 210,539.05

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1.5x scale

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.