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Finding the Fourth Proportional to 105,693.66, 158,540.58 and 35,573.04

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Solution

The fourth proportional to 105,693.66, 158,540.58 and 35,573.04 is: 53,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,693.66 : 158,540.58 = 35,573.04 : x
  2. Step 2: Convert to fraction form
    105,693.66/158,540.58 = 35,573.04/x
  3. Step 3: Cross multiply
    105,693.66x = 158,540.58 × 35,573.04
  4. Step 4: Simplify right side
    105,693.66x = 5,639,770,393.96
  5. Step 5: Solve for x
    x = 5,639,770,393.96/105,693.66
  6. Step 6: Final answer
    x = 53,359.59

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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.