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Finding the Fourth Proportional to 207,226.80, 310,840.24 and 57,504.72

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Solution

The fourth proportional to 207,226.80, 310,840.24 and 57,504.72 is: 86,257.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,226.80 : 310,840.24 = 57,504.72 : x
  2. Step 2: Convert to fraction form
    207,226.80/310,840.24 = 57,504.72/x
  3. Step 3: Cross multiply
    207,226.80x = 310,840.24 × 57,504.72
  4. Step 4: Simplify right side
    207,226.80x = 17,874,780,965.93
  5. Step 5: Solve for x
    x = 17,874,780,965.93/207,226.80
  6. Step 6: Final answer
    x = 86,257.09

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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.