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Finding the Fourth Proportional to 170,709.86, 256,092.61 and 64,102.07

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Solution

The fourth proportional to 170,709.86, 256,092.61 and 64,102.07 is: 96,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,709.86 : 256,092.61 = 64,102.07 : x
  2. Step 2: Convert to fraction form
    170,709.86/256,092.61 = 64,102.07/x
  3. Step 3: Cross multiply
    170,709.86x = 256,092.61 × 64,102.07
  4. Step 4: Simplify right side
    170,709.86x = 16,416,066,892.68
  5. Step 5: Solve for x
    x = 16,416,066,892.68/170,709.86
  6. Step 6: Final answer
    x = 96,163.55

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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.