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Finding the Fourth Proportional to 170,563.34, 255,512.55 and 103,837.97

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Solution

The fourth proportional to 170,563.34, 255,512.55 and 103,837.97 is: 155,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,563.34 : 255,512.55 = 103,837.97 : x
  2. Step 2: Convert to fraction form
    170,563.34/255,512.55 = 103,837.97/x
  3. Step 3: Cross multiply
    170,563.34x = 255,512.55 × 103,837.97
  4. Step 4: Simplify right side
    170,563.34x = 26,531,903,800.39
  5. Step 5: Solve for x
    x = 26,531,903,800.39/170,563.34
  6. Step 6: Final answer
    x = 155,554.55

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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.