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Finding the Fourth Proportional to 181,548.96, 272,277.11 and 128,736.96

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Solution

The fourth proportional to 181,548.96, 272,277.11 and 128,736.96 is: 193,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,548.96 : 272,277.11 = 128,736.96 : x
  2. Step 2: Convert to fraction form
    181,548.96/272,277.11 = 128,736.96/x
  3. Step 3: Cross multiply
    181,548.96x = 272,277.11 × 128,736.96
  4. Step 4: Simplify right side
    181,548.96x = 35,052,126,719.79
  5. Step 5: Solve for x
    x = 35,052,126,719.79/181,548.96
  6. Step 6: Final answer
    x = 193,072.59

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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.