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Finding the Fourth Proportional to 155,150.44, 214,110.44 and 86,246.37

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Solution

The fourth proportional to 155,150.44, 214,110.44 and 86,246.37 is: 119,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,150.44 : 214,110.44 = 86,246.37 : x
  2. Step 2: Convert to fraction form
    155,150.44/214,110.44 = 86,246.37/x
  3. Step 3: Cross multiply
    155,150.44x = 214,110.44 × 86,246.37
  4. Step 4: Simplify right side
    155,150.44x = 18,466,248,121.29
  5. Step 5: Solve for x
    x = 18,466,248,121.29/155,150.44
  6. Step 6: Final answer
    x = 119,021.57

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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.