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Finding the Fourth Proportional to 181,782.96, 272,717.72 and 91,604.10

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Solution

The fourth proportional to 181,782.96, 272,717.72 and 91,604.10 is: 137,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,782.96 : 272,717.72 = 91,604.10 : x
  2. Step 2: Convert to fraction form
    181,782.96/272,717.72 = 91,604.10/x
  3. Step 3: Cross multiply
    181,782.96x = 272,717.72 × 91,604.10
  4. Step 4: Simplify right side
    181,782.96x = 24,982,060,836.63
  5. Step 5: Solve for x
    x = 24,982,060,836.63/181,782.96
  6. Step 6: Final answer
    x = 137,427.96

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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.