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Finding the Fourth Proportional to 207,251.63, 285,986.83 and 116,605.60

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Solution

The fourth proportional to 207,251.63, 285,986.83 and 116,605.60 is: 160,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,251.63 : 285,986.83 = 116,605.60 : x
  2. Step 2: Convert to fraction form
    207,251.63/285,986.83 = 116,605.60/x
  3. Step 3: Cross multiply
    207,251.63x = 285,986.83 × 116,605.60
  4. Step 4: Simplify right side
    207,251.63x = 33,347,664,765.83
  5. Step 5: Solve for x
    x = 33,347,664,765.83/207,251.63
  6. Step 6: Final answer
    x = 160,904.23

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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.