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Finding the Fourth Proportional to 227,666.88, 341,740.80 and 127,912.32

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Solution

The fourth proportional to 227,666.88, 341,740.80 and 127,912.32 is: 192,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,666.88 : 341,740.80 = 127,912.32 : x
  2. Step 2: Convert to fraction form
    227,666.88/341,740.80 = 127,912.32/x
  3. Step 3: Cross multiply
    227,666.88x = 341,740.80 × 127,912.32
  4. Step 4: Simplify right side
    227,666.88x = 43,712,858,566.66
  5. Step 5: Solve for x
    x = 43,712,858,566.66/227,666.88
  6. Step 6: Final answer
    x = 192,003.59

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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.