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Finding the Fourth Proportional to 111,696.60, 167,544.90 and 106,512.60

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Solution

The fourth proportional to 111,696.60, 167,544.90 and 106,512.60 is: 159,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,696.60 : 167,544.90 = 106,512.60 : x
  2. Step 2: Convert to fraction form
    111,696.60/167,544.90 = 106,512.60/x
  3. Step 3: Cross multiply
    111,696.60x = 167,544.90 × 106,512.60
  4. Step 4: Simplify right side
    111,696.60x = 17,845,642,915.74
  5. Step 5: Solve for x
    x = 17,845,642,915.74/111,696.60
  6. Step 6: Final answer
    x = 159,768.90

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1.5x scale

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.