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Finding the Fourth Proportional to 363,747.60, 545,621.40 and 111,027.60

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Solution

The fourth proportional to 363,747.60, 545,621.40 and 111,027.60 is: 166,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,747.60 : 545,621.40 = 111,027.60 : x
  2. Step 2: Convert to fraction form
    363,747.60/545,621.40 = 111,027.60/x
  3. Step 3: Cross multiply
    363,747.60x = 545,621.40 × 111,027.60
  4. Step 4: Simplify right side
    363,747.60x = 60,579,034,550.64
  5. Step 5: Solve for x
    x = 60,579,034,550.64/363,747.60
  6. Step 6: Final answer
    x = 166,541.40

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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.