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Finding the Fourth Proportional to 187,076.80, 280,615.20 and 166,859.20

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Solution

The fourth proportional to 187,076.80, 280,615.20 and 166,859.20 is: 250,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,076.80 : 280,615.20 = 166,859.20 : x
  2. Step 2: Convert to fraction form
    187,076.80/280,615.20 = 166,859.20/x
  3. Step 3: Cross multiply
    187,076.80x = 280,615.20 × 166,859.20
  4. Step 4: Simplify right side
    187,076.80x = 46,823,227,779.84
  5. Step 5: Solve for x
    x = 46,823,227,779.84/187,076.80
  6. Step 6: Final answer
    x = 250,288.80

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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.