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Finding the Fourth Proportional to 207,260.98, 310,890.75 and 57,500.98

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Solution

The fourth proportional to 207,260.98, 310,890.75 and 57,500.98 is: 86,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,260.98 : 310,890.75 = 57,500.98 : x
  2. Step 2: Convert to fraction form
    207,260.98/310,890.75 = 57,500.98/x
  3. Step 3: Cross multiply
    207,260.98x = 310,890.75 × 57,500.98
  4. Step 4: Simplify right side
    207,260.98x = 17,876,522,797.94
  5. Step 5: Solve for x
    x = 17,876,522,797.94/207,260.98
  6. Step 6: Final answer
    x = 86,251.27

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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.