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Finding the Fourth Proportional to 207,321.58, 310,570.94 and 159,771.64

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Solution

The fourth proportional to 207,321.58, 310,570.94 and 159,771.64 is: 239,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,321.58 : 310,570.94 = 159,771.64 : x
  2. Step 2: Convert to fraction form
    207,321.58/310,570.94 = 159,771.64/x
  3. Step 3: Cross multiply
    207,321.58x = 310,570.94 × 159,771.64
  4. Step 4: Simplify right side
    207,321.58x = 49,620,428,420.14
  5. Step 5: Solve for x
    x = 49,620,428,420.14/207,321.58
  6. Step 6: Final answer
    x = 239,340.39

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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.