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Finding the Fourth Proportional to 188,358.46, 259,933.44 and 102,316.66

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Solution

The fourth proportional to 188,358.46, 259,933.44 and 102,316.66 is: 141,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,358.46 : 259,933.44 = 102,316.66 : x
  2. Step 2: Convert to fraction form
    188,358.46/259,933.44 = 102,316.66/x
  3. Step 3: Cross multiply
    188,358.46x = 259,933.44 × 102,316.66
  4. Step 4: Simplify right side
    188,358.46x = 26,595,521,403.11
  5. Step 5: Solve for x
    x = 26,595,521,403.11/188,358.46
  6. Step 6: Final answer
    x = 141,196.32

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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.