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Finding the Fourth Proportional to 188,174.08, 259,672.62 and 112,764.16

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Solution

The fourth proportional to 188,174.08, 259,672.62 and 112,764.16 is: 155,609.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,174.08 : 259,672.62 = 112,764.16 : x
  2. Step 2: Convert to fraction form
    188,174.08/259,672.62 = 112,764.16/x
  3. Step 3: Cross multiply
    188,174.08x = 259,672.62 × 112,764.16
  4. Step 4: Simplify right side
    188,174.08x = 29,281,764,220.12
  5. Step 5: Solve for x
    x = 29,281,764,220.12/188,174.08
  6. Step 6: Final answer
    x = 155,609.98

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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.