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Finding the Fourth Proportional to 181,577.69, 272,410.27 and 56,918.69

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Solution

The fourth proportional to 181,577.69, 272,410.27 and 56,918.69 is: 85,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,577.69 : 272,410.27 = 56,918.69 : x
  2. Step 2: Convert to fraction form
    181,577.69/272,410.27 = 56,918.69/x
  3. Step 3: Cross multiply
    181,577.69x = 272,410.27 × 56,918.69
  4. Step 4: Simplify right side
    181,577.69x = 15,505,235,710.95
  5. Step 5: Solve for x
    x = 15,505,235,710.95/181,577.69
  6. Step 6: Final answer
    x = 85,391.74

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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.