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Finding the Fourth Proportional to 188,182.56, 259,813.62 and 116,638.68

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Solution

The fourth proportional to 188,182.56, 259,813.62 and 116,638.68 is: 161,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,182.56 : 259,813.62 = 116,638.68 : x
  2. Step 2: Convert to fraction form
    188,182.56/259,813.62 = 116,638.68/x
  3. Step 3: Cross multiply
    188,182.56x = 259,813.62 × 116,638.68
  4. Step 4: Simplify right side
    188,182.56x = 30,304,317,682.82
  5. Step 5: Solve for x
    x = 30,304,317,682.82/188,182.56
  6. Step 6: Final answer
    x = 161,036.80

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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.