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Finding the Fourth Proportional to 363,743.60, 545,615.40 and 111,023.60

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Solution

The fourth proportional to 363,743.60, 545,615.40 and 111,023.60 is: 166,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,743.60 : 545,615.40 = 111,023.60 : x
  2. Step 2: Convert to fraction form
    363,743.60/545,615.40 = 111,023.60/x
  3. Step 3: Cross multiply
    363,743.60x = 545,615.40 × 111,023.60
  4. Step 4: Simplify right side
    363,743.60x = 60,576,185,923.44
  5. Step 5: Solve for x
    x = 60,576,185,923.44/363,743.60
  6. Step 6: Final answer
    x = 166,535.40

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1.5x scale

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.