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Finding the Fourth Proportional to 220,362.36, 304,102.40 and 119,760.36

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Solution

The fourth proportional to 220,362.36, 304,102.40 and 119,760.36 is: 165,270.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,362.36 : 304,102.40 = 119,760.36 : x
  2. Step 2: Convert to fraction form
    220,362.36/304,102.40 = 119,760.36/x
  3. Step 3: Cross multiply
    220,362.36x = 304,102.40 × 119,760.36
  4. Step 4: Simplify right side
    220,362.36x = 36,419,412,900.86
  5. Step 5: Solve for x
    x = 36,419,412,900.86/220,362.36
  6. Step 6: Final answer
    x = 165,270.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.