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Finding the Fourth Proportional to 206,886.37, 285,485.52 and 116,235.22

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Solution

The fourth proportional to 206,886.37, 285,485.52 and 116,235.22 is: 160,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,886.37 : 285,485.52 = 116,235.22 : x
  2. Step 2: Convert to fraction form
    206,886.37/285,485.52 = 116,235.22/x
  3. Step 3: Cross multiply
    206,886.37x = 285,485.52 × 116,235.22
  4. Step 4: Simplify right side
    206,886.37x = 33,183,472,224.01
  5. Step 5: Solve for x
    x = 33,183,472,224.01/206,886.37
  6. Step 6: Final answer
    x = 160,394.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.