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Finding the Fourth Proportional to 111,574.67, 167,195.75 and 61,668.95

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Solution

The fourth proportional to 111,574.67, 167,195.75 and 61,668.95 is: 92,411.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,574.67 : 167,195.75 = 61,668.95 : x
  2. Step 2: Convert to fraction form
    111,574.67/167,195.75 = 61,668.95/x
  3. Step 3: Cross multiply
    111,574.67x = 167,195.75 × 61,668.95
  4. Step 4: Simplify right side
    111,574.67x = 10,310,785,202.64
  5. Step 5: Solve for x
    x = 10,310,785,202.64/111,574.67
  6. Step 6: Final answer
    x = 92,411.53

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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.