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Finding the Fourth Proportional to 200,483.22, 300,514.14 and 74,042.88

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Solution

The fourth proportional to 200,483.22, 300,514.14 and 74,042.88 is: 110,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,483.22 : 300,514.14 = 74,042.88 : x
  2. Step 2: Convert to fraction form
    200,483.22/300,514.14 = 74,042.88/x
  3. Step 3: Cross multiply
    200,483.22x = 300,514.14 × 74,042.88
  4. Step 4: Simplify right side
    200,483.22x = 22,250,932,406.32
  5. Step 5: Solve for x
    x = 22,250,932,406.32/200,483.22
  6. Step 6: Final answer
    x = 110,986.51

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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.