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Finding the Fourth Proportional to 241,174.80, 361,814.18 and 81,266.76

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Solution

The fourth proportional to 241,174.80, 361,814.18 and 81,266.76 is: 121,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,174.80 : 361,814.18 = 81,266.76 : x
  2. Step 2: Convert to fraction form
    241,174.80/361,814.18 = 81,266.76/x
  3. Step 3: Cross multiply
    241,174.80x = 361,814.18 × 81,266.76
  4. Step 4: Simplify right side
    241,174.80x = 29,403,465,724.32
  5. Step 5: Solve for x
    x = 29,403,465,724.32/241,174.80
  6. Step 6: Final answer
    x = 121,917.65

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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.