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Finding the Fourth Proportional to 111,658.34, 167,504.52 and 69,504.32

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Solution

The fourth proportional to 111,658.34, 167,504.52 and 69,504.32 is: 104,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,658.34 : 167,504.52 = 69,504.32 : x
  2. Step 2: Convert to fraction form
    111,658.34/167,504.52 = 69,504.32/x
  3. Step 3: Cross multiply
    111,658.34x = 167,504.52 × 69,504.32
  4. Step 4: Simplify right side
    111,658.34x = 11,642,287,759.53
  5. Step 5: Solve for x
    x = 11,642,287,759.53/111,658.34
  6. Step 6: Final answer
    x = 104,267.07

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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.