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Finding the Fourth Proportional to 263,388.99, 363,476.37 and 148,691.77

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Solution

The fourth proportional to 263,388.99, 363,476.37 and 148,691.77 is: 205,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,388.99 : 363,476.37 = 148,691.77 : x
  2. Step 2: Convert to fraction form
    263,388.99/363,476.37 = 148,691.77/x
  3. Step 3: Cross multiply
    263,388.99x = 363,476.37 × 148,691.77
  4. Step 4: Simplify right side
    263,388.99x = 54,045,944,808.47
  5. Step 5: Solve for x
    x = 54,045,944,808.47/263,388.99
  6. Step 6: Final answer
    x = 205,194.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.