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Finding the Fourth Proportional to 365,996.55, 548,932.53 and 99,694.77

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Solution

The fourth proportional to 365,996.55, 548,932.53 and 99,694.77 is: 149,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,996.55 : 548,932.53 = 99,694.77 : x
  2. Step 2: Convert to fraction form
    365,996.55/548,932.53 = 99,694.77/x
  3. Step 3: Cross multiply
    365,996.55x = 548,932.53 × 99,694.77
  4. Step 4: Simplify right side
    365,996.55x = 54,725,702,323.87
  5. Step 5: Solve for x
    x = 54,725,702,323.87/365,996.55
  6. Step 6: Final answer
    x = 149,525.19

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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.