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Finding the Fourth Proportional to 111,796.48, 167,695.08 and 70,156

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Solution

The fourth proportional to 111,796.48, 167,695.08 and 70,156 is: 105,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,796.48 : 167,695.08 = 70,156 : x
  2. Step 2: Convert to fraction form
    111,796.48/167,695.08 = 70,156/x
  3. Step 3: Cross multiply
    111,796.48x = 167,695.08 × 70,156
  4. Step 4: Simplify right side
    111,796.48x = 11,764,816,032.48
  5. Step 5: Solve for x
    x = 11,764,816,032.48/111,796.48
  6. Step 6: Final answer
    x = 105,234.23

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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.