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Finding the Fourth Proportional to 207,226.76, 310,840.20 and 57,504.80

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Solution

The fourth proportional to 207,226.76, 310,840.20 and 57,504.80 is: 86,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,226.76 : 310,840.20 = 57,504.80 : x
  2. Step 2: Convert to fraction form
    207,226.76/310,840.20 = 57,504.80/x
  3. Step 3: Cross multiply
    207,226.76x = 310,840.20 × 57,504.80
  4. Step 4: Simplify right side
    207,226.76x = 17,874,803,532.96
  5. Step 5: Solve for x
    x = 17,874,803,532.96/207,226.76
  6. Step 6: Final answer
    x = 86,257.22

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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.