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Finding the Fourth Proportional to 363,835.35, 545,753.03 and 127,153.35

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Solution

The fourth proportional to 363,835.35, 545,753.03 and 127,153.35 is: 190,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,835.35 : 545,753.03 = 127,153.35 : x
  2. Step 2: Convert to fraction form
    363,835.35/545,753.03 = 127,153.35/x
  3. Step 3: Cross multiply
    363,835.35x = 545,753.03 × 127,153.35
  4. Step 4: Simplify right side
    363,835.35x = 69,394,325,401.38
  5. Step 5: Solve for x
    x = 69,394,325,401.38/363,835.35
  6. Step 6: Final answer
    x = 190,730.03

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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.