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Finding the Fourth Proportional to 207,216.87, 285,958.83 and 116,572.89

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Solution

The fourth proportional to 207,216.87, 285,958.83 and 116,572.89 is: 160,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,216.87 : 285,958.83 = 116,572.89 : x
  2. Step 2: Convert to fraction form
    207,216.87/285,958.83 = 116,572.89/x
  3. Step 3: Cross multiply
    207,216.87x = 285,958.83 × 116,572.89
  4. Step 4: Simplify right side
    207,216.87x = 33,335,047,234.12
  5. Step 5: Solve for x
    x = 33,335,047,234.12/207,216.87
  6. Step 6: Final answer
    x = 160,870.33

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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.