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Finding the Fourth Proportional to 187,300.80, 281,104.80 and 181,156.80

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Solution

The fourth proportional to 187,300.80, 281,104.80 and 181,156.80 is: 271,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,300.80 : 281,104.80 = 181,156.80 : x
  2. Step 2: Convert to fraction form
    187,300.80/281,104.80 = 181,156.80/x
  3. Step 3: Cross multiply
    187,300.80x = 281,104.80 × 181,156.80
  4. Step 4: Simplify right side
    187,300.80x = 50,924,046,032.64
  5. Step 5: Solve for x
    x = 50,924,046,032.64/187,300.80
  6. Step 6: Final answer
    x = 271,883.76

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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.