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Finding the Fourth Proportional to 188,090.88, 259,524.24 and 119,200.32

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Solution

The fourth proportional to 188,090.88, 259,524.24 and 119,200.32 is: 164,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,090.88 : 259,524.24 = 119,200.32 : x
  2. Step 2: Convert to fraction form
    188,090.88/259,524.24 = 119,200.32/x
  3. Step 3: Cross multiply
    188,090.88x = 259,524.24 × 119,200.32
  4. Step 4: Simplify right side
    188,090.88x = 30,935,372,455.76
  5. Step 5: Solve for x
    x = 30,935,372,455.76/188,090.88
  6. Step 6: Final answer
    x = 164,470.35

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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.