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Finding the Fourth Proportional to 181,467.54, 250,432.16 and 100,904.54

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Solution

The fourth proportional to 181,467.54, 250,432.16 and 100,904.54 is: 139,252.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,467.54 : 250,432.16 = 100,904.54 : x
  2. Step 2: Convert to fraction form
    181,467.54/250,432.16 = 100,904.54/x
  3. Step 3: Cross multiply
    181,467.54x = 250,432.16 × 100,904.54
  4. Step 4: Simplify right side
    181,467.54x = 25,269,740,149.32
  5. Step 5: Solve for x
    x = 25,269,740,149.32/181,467.54
  6. Step 6: Final answer
    x = 139,252.12

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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.