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Finding the Fourth Proportional to 187,675.20, 281,512.80 and 174,553.20

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Solution

The fourth proportional to 187,675.20, 281,512.80 and 174,553.20 is: 261,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,675.20 : 281,512.80 = 174,553.20 : x
  2. Step 2: Convert to fraction form
    187,675.20/281,512.80 = 174,553.20/x
  3. Step 3: Cross multiply
    187,675.20x = 281,512.80 × 174,553.20
  4. Step 4: Simplify right side
    187,675.20x = 49,138,960,080.96
  5. Step 5: Solve for x
    x = 49,138,960,080.96/187,675.20
  6. Step 6: Final answer
    x = 261,829.80

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1.5x scale

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.