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Finding the Fourth Proportional to 171,241.86, 256,790.52 and 51,315.84

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Solution

The fourth proportional to 171,241.86, 256,790.52 and 51,315.84 is: 76,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,241.86 : 256,790.52 = 51,315.84 : x
  2. Step 2: Convert to fraction form
    171,241.86/256,790.52 = 51,315.84/x
  3. Step 3: Cross multiply
    171,241.86x = 256,790.52 × 51,315.84
  4. Step 4: Simplify right side
    171,241.86x = 13,177,421,237.84
  5. Step 5: Solve for x
    x = 13,177,421,237.84/171,241.86
  6. Step 6: Final answer
    x = 76,952.10

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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.