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Finding the Fourth Proportional to 185,698.62, 278,514.99 and 84,473.10

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Solution

The fourth proportional to 185,698.62, 278,514.99 and 84,473.10 is: 126,694.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,698.62 : 278,514.99 = 84,473.10 : x
  2. Step 2: Convert to fraction form
    185,698.62/278,514.99 = 84,473.10/x
  3. Step 3: Cross multiply
    185,698.62x = 278,514.99 × 84,473.10
  4. Step 4: Simplify right side
    185,698.62x = 23,527,024,601.77
  5. Step 5: Solve for x
    x = 23,527,024,601.77/185,698.62
  6. Step 6: Final answer
    x = 126,694.67

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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.