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Finding the Fourth Proportional to 170,486.37, 255,842.55 and 65,301.39

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Solution

The fourth proportional to 170,486.37, 255,842.55 and 65,301.39 is: 97,995.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,486.37 : 255,842.55 = 65,301.39 : x
  2. Step 2: Convert to fraction form
    170,486.37/255,842.55 = 65,301.39/x
  3. Step 3: Cross multiply
    170,486.37x = 255,842.55 × 65,301.39
  4. Step 4: Simplify right side
    170,486.37x = 16,706,874,136.14
  5. Step 5: Solve for x
    x = 16,706,874,136.14/170,486.37
  6. Step 6: Final answer
    x = 97,995.37

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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.