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Finding the Fourth Proportional to 160,832.40, 241,402.20 and 137,485.20

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Solution

The fourth proportional to 160,832.40, 241,402.20 and 137,485.20 is: 206,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,832.40 : 241,402.20 = 137,485.20 : x
  2. Step 2: Convert to fraction form
    160,832.40/241,402.20 = 137,485.20/x
  3. Step 3: Cross multiply
    160,832.40x = 241,402.20 × 137,485.20
  4. Step 4: Simplify right side
    160,832.40x = 33,189,229,747.44
  5. Step 5: Solve for x
    x = 33,189,229,747.44/160,832.40
  6. Step 6: Final answer
    x = 206,359.10

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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.