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Finding the Fourth Proportional to 227,422.11, 341,133.16 and 127,652.39

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Solution

The fourth proportional to 227,422.11, 341,133.16 and 127,652.39 is: 191,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,422.11 : 341,133.16 = 127,652.39 : x
  2. Step 2: Convert to fraction form
    227,422.11/341,133.16 = 127,652.39/x
  3. Step 3: Cross multiply
    227,422.11x = 341,133.16 × 127,652.39
  4. Step 4: Simplify right side
    227,422.11x = 43,546,461,476.59
  5. Step 5: Solve for x
    x = 43,546,461,476.59/227,422.11
  6. Step 6: Final answer
    x = 191,478.57

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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.