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Finding the Fourth Proportional to 185,767.98, 278,651.91 and 45,525.42

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Solution

The fourth proportional to 185,767.98, 278,651.91 and 45,525.42 is: 68,288.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,767.98 : 278,651.91 = 45,525.42 : x
  2. Step 2: Convert to fraction form
    185,767.98/278,651.91 = 45,525.42/x
  3. Step 3: Cross multiply
    185,767.98x = 278,651.91 × 45,525.42
  4. Step 4: Simplify right side
    185,767.98x = 12,685,745,236.55
  5. Step 5: Solve for x
    x = 12,685,745,236.55/185,767.98
  6. Step 6: Final answer
    x = 68,288.12

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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.