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Finding the Fourth Proportional to 341,892.58, 512,989.23 and 181,930.81

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Solution

The fourth proportional to 341,892.58, 512,989.23 and 181,930.81 is: 272,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,892.58 : 512,989.23 = 181,930.81 : x
  2. Step 2: Convert to fraction form
    341,892.58/512,989.23 = 181,930.81/x
  3. Step 3: Cross multiply
    341,892.58x = 512,989.23 × 181,930.81
  4. Step 4: Simplify right side
    341,892.58x = 93,328,546,135.18
  5. Step 5: Solve for x
    x = 93,328,546,135.18/341,892.58
  6. Step 6: Final answer
    x = 272,976.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.