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Finding the Fourth Proportional to 188,234.29, 259,884.89 and 116,690.77

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Solution

The fourth proportional to 188,234.29, 259,884.89 and 116,690.77 is: 161,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,234.29 : 259,884.89 = 116,690.77 : x
  2. Step 2: Convert to fraction form
    188,234.29/259,884.89 = 116,690.77/x
  3. Step 3: Cross multiply
    188,234.29x = 259,884.89 × 116,690.77
  4. Step 4: Simplify right side
    188,234.29x = 30,326,167,925.47
  5. Step 5: Solve for x
    x = 30,326,167,925.47/188,234.29
  6. Step 6: Final answer
    x = 161,108.63

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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.