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Finding the Fourth Proportional to 161,200.80, 241,563.60 and 116,920.80

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Solution

The fourth proportional to 161,200.80, 241,563.60 and 116,920.80 is: 175,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,200.80 : 241,563.60 = 116,920.80 : x
  2. Step 2: Convert to fraction form
    161,200.80/241,563.60 = 116,920.80/x
  3. Step 3: Cross multiply
    161,200.80x = 241,563.60 × 116,920.80
  4. Step 4: Simplify right side
    161,200.80x = 28,243,809,362.88
  5. Step 5: Solve for x
    x = 28,243,809,362.88/161,200.80
  6. Step 6: Final answer
    x = 175,208.87

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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.