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Finding the Fourth Proportional to 167,206.56, 250,662.20 and 127,938.96

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Solution

The fourth proportional to 167,206.56, 250,662.20 and 127,938.96 is: 191,795.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,206.56 : 250,662.20 = 127,938.96 : x
  2. Step 2: Convert to fraction form
    167,206.56/250,662.20 = 127,938.96/x
  3. Step 3: Cross multiply
    167,206.56x = 250,662.20 × 127,938.96
  4. Step 4: Simplify right side
    167,206.56x = 32,069,461,179.31
  5. Step 5: Solve for x
    x = 32,069,461,179.31/167,206.56
  6. Step 6: Final answer
    x = 191,795.47

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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.