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Finding the Fourth Proportional to 111,168.37, 153,411.30 and 60,179.79

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Solution

The fourth proportional to 111,168.37, 153,411.30 and 60,179.79 is: 83,047.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,168.37 : 153,411.30 = 60,179.79 : x
  2. Step 2: Convert to fraction form
    111,168.37/153,411.30 = 60,179.79/x
  3. Step 3: Cross multiply
    111,168.37x = 153,411.30 × 60,179.79
  4. Step 4: Simplify right side
    111,168.37x = 9,232,259,516.73
  5. Step 5: Solve for x
    x = 9,232,259,516.73/111,168.37
  6. Step 6: Final answer
    x = 83,047.54

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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.