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Finding the Fourth Proportional to 188,467.26, 259,873.70 and 176,509.83

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Solution

The fourth proportional to 188,467.26, 259,873.70 and 176,509.83 is: 243,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,467.26 : 259,873.70 = 176,509.83 : x
  2. Step 2: Convert to fraction form
    188,467.26/259,873.70 = 176,509.83/x
  3. Step 3: Cross multiply
    188,467.26x = 259,873.70 × 176,509.83
  4. Step 4: Simplify right side
    188,467.26x = 45,870,263,693.32
  5. Step 5: Solve for x
    x = 45,870,263,693.32/188,467.26
  6. Step 6: Final answer
    x = 243,385.85

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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.