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Finding the Fourth Proportional to 181,739.88, 272,652.93 and 57,080.88

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Solution

The fourth proportional to 181,739.88, 272,652.93 and 57,080.88 is: 85,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,739.88 : 272,652.93 = 57,080.88 : x
  2. Step 2: Convert to fraction form
    181,739.88/272,652.93 = 57,080.88/x
  3. Step 3: Cross multiply
    181,739.88x = 272,652.93 × 57,080.88
  4. Step 4: Simplify right side
    181,739.88x = 15,563,269,178.98
  5. Step 5: Solve for x
    x = 15,563,269,178.98/181,739.88
  6. Step 6: Final answer
    x = 85,634.86

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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.