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Finding the Fourth Proportional to 170,186.48, 255,396.36 and 59,378.48

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Solution

The fourth proportional to 170,186.48, 255,396.36 and 59,378.48 is: 89,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,186.48 : 255,396.36 = 59,378.48 : x
  2. Step 2: Convert to fraction form
    170,186.48/255,396.36 = 59,378.48/x
  3. Step 3: Cross multiply
    170,186.48x = 255,396.36 × 59,378.48
  4. Step 4: Simplify right side
    170,186.48x = 15,165,047,654.33
  5. Step 5: Solve for x
    x = 15,165,047,654.33/170,186.48
  6. Step 6: Final answer
    x = 89,108.42

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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.