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Finding the Fourth Proportional to 181,791.30, 272,699.41 and 61,799.42

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Solution

The fourth proportional to 181,791.30, 272,699.41 and 61,799.42 is: 92,703.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,791.30 : 272,699.41 = 61,799.42 : x
  2. Step 2: Convert to fraction form
    181,791.30/272,699.41 = 61,799.42/x
  3. Step 3: Cross multiply
    181,791.30x = 272,699.41 × 61,799.42
  4. Step 4: Simplify right side
    181,791.30x = 16,852,666,015.47
  5. Step 5: Solve for x
    x = 16,852,666,015.47/181,791.30
  6. Step 6: Final answer
    x = 92,703.37

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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.