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Finding the Fourth Proportional to 181,791.80, 272,700.16 and 61,799.92

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Solution

The fourth proportional to 181,791.80, 272,700.16 and 61,799.92 is: 92,704.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,791.80 : 272,700.16 = 61,799.92 : x
  2. Step 2: Convert to fraction form
    181,791.80/272,700.16 = 61,799.92/x
  3. Step 3: Cross multiply
    181,791.80x = 272,700.16 × 61,799.92
  4. Step 4: Simplify right side
    181,791.80x = 16,852,848,071.99
  5. Step 5: Solve for x
    x = 16,852,848,071.99/181,791.80
  6. Step 6: Final answer
    x = 92,704.12

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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.