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Finding the Fourth Proportional to 69,668.16, 104,538.24 and 34,607.04

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Solution

The fourth proportional to 69,668.16, 104,538.24 and 34,607.04 is: 51,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.16 : 104,538.24 = 34,607.04 : x
  2. Step 2: Convert to fraction form
    69,668.16/104,538.24 = 34,607.04/x
  3. Step 3: Cross multiply
    69,668.16x = 104,538.24 × 34,607.04
  4. Step 4: Simplify right side
    69,668.16x = 3,617,759,053.21
  5. Step 5: Solve for x
    x = 3,617,759,053.21/69,668.16
  6. Step 6: Final answer
    x = 51,928.44

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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.