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Finding the Fourth Proportional to 170,736.60, 235,506.54 and 103,668.60

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Solution

The fourth proportional to 170,736.60, 235,506.54 and 103,668.60 is: 142,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,736.60 : 235,506.54 = 103,668.60 : x
  2. Step 2: Convert to fraction form
    170,736.60/235,506.54 = 103,668.60/x
  3. Step 3: Cross multiply
    170,736.60x = 235,506.54 × 103,668.60
  4. Step 4: Simplify right side
    170,736.60x = 24,414,633,292.64
  5. Step 5: Solve for x
    x = 24,414,633,292.64/170,736.60
  6. Step 6: Final answer
    x = 142,995.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.