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Finding the Fourth Proportional to 171,002.50, 256,531.31 and 52,673.72

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Solution

The fourth proportional to 171,002.50, 256,531.31 and 52,673.72 is: 79,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,002.50 : 256,531.31 = 52,673.72 : x
  2. Step 2: Convert to fraction form
    171,002.50/256,531.31 = 52,673.72/x
  3. Step 3: Cross multiply
    171,002.50x = 256,531.31 × 52,673.72
  4. Step 4: Simplify right side
    171,002.50x = 13,512,458,130.80
  5. Step 5: Solve for x
    x = 13,512,458,130.80/171,002.50
  6. Step 6: Final answer
    x = 79,019.07

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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.