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Finding the Fourth Proportional to 111,696.74, 167,504.54 and 61,133.14

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Solution

The fourth proportional to 111,696.74, 167,504.54 and 61,133.14 is: 91,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,696.74 : 167,504.54 = 61,133.14 : x
  2. Step 2: Convert to fraction form
    111,696.74/167,504.54 = 61,133.14/x
  3. Step 3: Cross multiply
    111,696.74x = 167,504.54 × 61,133.14
  4. Step 4: Simplify right side
    111,696.74x = 10,240,078,494.46
  5. Step 5: Solve for x
    x = 10,240,078,494.46/111,696.74
  6. Step 6: Final answer
    x = 91,677.51

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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.