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Finding the Fourth Proportional to 111,999.24, 167,604.02 and 69,899.05

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Solution

The fourth proportional to 111,999.24, 167,604.02 and 69,899.05 is: 104,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,999.24 : 167,604.02 = 69,899.05 : x
  2. Step 2: Convert to fraction form
    111,999.24/167,604.02 = 69,899.05/x
  3. Step 3: Cross multiply
    111,999.24x = 167,604.02 × 69,899.05
  4. Step 4: Simplify right side
    111,999.24x = 11,715,361,896.31
  5. Step 5: Solve for x
    x = 11,715,361,896.31/111,999.24
  6. Step 6: Final answer
    x = 104,602.16

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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.