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Finding the Fourth Proportional to 171,232.40, 256,867.80 and 52,902.80

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Solution

The fourth proportional to 171,232.40, 256,867.80 and 52,902.80 is: 79,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,232.40 : 256,867.80 = 52,902.80 : x
  2. Step 2: Convert to fraction form
    171,232.40/256,867.80 = 52,902.80/x
  3. Step 3: Cross multiply
    171,232.40x = 256,867.80 × 52,902.80
  4. Step 4: Simplify right side
    171,232.40x = 13,589,025,849.84
  5. Step 5: Solve for x
    x = 13,589,025,849.84/171,232.40
  6. Step 6: Final answer
    x = 79,360.13

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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.