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Finding the Fourth Proportional to 150,546.98, 207,764.03 and 86,888.88

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Solution

The fourth proportional to 150,546.98, 207,764.03 and 86,888.88 is: 119,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,546.98 : 207,764.03 = 86,888.88 : x
  2. Step 2: Convert to fraction form
    150,546.98/207,764.03 = 86,888.88/x
  3. Step 3: Cross multiply
    150,546.98x = 207,764.03 × 86,888.88
  4. Step 4: Simplify right side
    150,546.98x = 18,052,384,088.21
  5. Step 5: Solve for x
    x = 18,052,384,088.21/150,546.98
  6. Step 6: Final answer
    x = 119,911.96

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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.