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Finding the Fourth Proportional to 185,482.08, 278,245.44 and 65,514.42

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Solution

The fourth proportional to 185,482.08, 278,245.44 and 65,514.42 is: 98,279.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,482.08 : 278,245.44 = 65,514.42 : x
  2. Step 2: Convert to fraction form
    185,482.08/278,245.44 = 65,514.42/x
  3. Step 3: Cross multiply
    185,482.08x = 278,245.44 × 65,514.42
  4. Step 4: Simplify right side
    185,482.08x = 18,229,088,619.24
  5. Step 5: Solve for x
    x = 18,229,088,619.24/185,482.08
  6. Step 6: Final answer
    x = 98,279.51

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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.