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Finding the Fourth Proportional to 170,984.23, 256,481.54 and 58,662.87

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Solution

The fourth proportional to 170,984.23, 256,481.54 and 58,662.87 is: 87,996.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,984.23 : 256,481.54 = 58,662.87 : x
  2. Step 2: Convert to fraction form
    170,984.23/256,481.54 = 58,662.87/x
  3. Step 3: Cross multiply
    170,984.23x = 256,481.54 × 58,662.87
  4. Step 4: Simplify right side
    170,984.23x = 15,045,941,956.01
  5. Step 5: Solve for x
    x = 15,045,941,956.01/170,984.23
  6. Step 6: Final answer
    x = 87,996.08

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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.