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Finding the Fourth Proportional to 154,805.66, 232,274.24 and 84,602.96

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Solution

The fourth proportional to 154,805.66, 232,274.24 and 84,602.96 is: 126,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,805.66 : 232,274.24 = 84,602.96 : x
  2. Step 2: Convert to fraction form
    154,805.66/232,274.24 = 84,602.96/x
  3. Step 3: Cross multiply
    154,805.66x = 232,274.24 × 84,602.96
  4. Step 4: Simplify right side
    154,805.66x = 19,651,086,651.36
  5. Step 5: Solve for x
    x = 19,651,086,651.36/154,805.66
  6. Step 6: Final answer
    x = 126,940.37

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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.