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Finding the Fourth Proportional to 168,458.92, 232,473.80 and 91,978.67

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Solution

The fourth proportional to 168,458.92, 232,473.80 and 91,978.67 is: 126,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,458.92 : 232,473.80 = 91,978.67 : x
  2. Step 2: Convert to fraction form
    168,458.92/232,473.80 = 91,978.67/x
  3. Step 3: Cross multiply
    168,458.92x = 232,473.80 × 91,978.67
  4. Step 4: Simplify right side
    168,458.92x = 21,382,630,473.95
  5. Step 5: Solve for x
    x = 21,382,630,473.95/168,458.92
  6. Step 6: Final answer
    x = 126,930.83

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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.