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Finding the Fourth Proportional to 363,796.58, 545,669.45 and 136,048.85

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Solution

The fourth proportional to 363,796.58, 545,669.45 and 136,048.85 is: 204,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,796.58 : 545,669.45 = 136,048.85 : x
  2. Step 2: Convert to fraction form
    363,796.58/545,669.45 = 136,048.85/x
  3. Step 3: Cross multiply
    363,796.58x = 545,669.45 × 136,048.85
  4. Step 4: Simplify right side
    363,796.58x = 74,237,701,152.63
  5. Step 5: Solve for x
    x = 74,237,701,152.63/363,796.58
  6. Step 6: Final answer
    x = 204,063.77

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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.