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Finding the Fourth Proportional to 155,514.14, 214,609.83 and 88,446.14

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Solution

The fourth proportional to 155,514.14, 214,609.83 and 88,446.14 is: 122,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,514.14 : 214,609.83 = 88,446.14 : x
  2. Step 2: Convert to fraction form
    155,514.14/214,609.83 = 88,446.14/x
  3. Step 3: Cross multiply
    155,514.14x = 214,609.83 × 88,446.14
  4. Step 4: Simplify right side
    155,514.14x = 18,981,411,069.56
  5. Step 5: Solve for x
    x = 18,981,411,069.56/155,514.14
  6. Step 6: Final answer
    x = 122,055.85

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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.