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Finding the Fourth Proportional to 161,843.58, 223,357.44 and 89,260.67

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Solution

The fourth proportional to 161,843.58, 223,357.44 and 89,260.67 is: 123,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,843.58 : 223,357.44 = 89,260.67 : x
  2. Step 2: Convert to fraction form
    161,843.58/223,357.44 = 89,260.67/x
  3. Step 3: Cross multiply
    161,843.58x = 223,357.44 × 89,260.67
  4. Step 4: Simplify right side
    161,843.58x = 19,937,034,743.88
  5. Step 5: Solve for x
    x = 19,937,034,743.88/161,843.58
  6. Step 6: Final answer
    x = 123,187.06

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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.