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Finding the Fourth Proportional to 168,033.60, 252,050.40 and 126,043.20

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Solution

The fourth proportional to 168,033.60, 252,050.40 and 126,043.20 is: 189,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,033.60 : 252,050.40 = 126,043.20 : x
  2. Step 2: Convert to fraction form
    168,033.60/252,050.40 = 126,043.20/x
  3. Step 3: Cross multiply
    168,033.60x = 252,050.40 × 126,043.20
  4. Step 4: Simplify right side
    168,033.60x = 31,769,238,977.28
  5. Step 5: Solve for x
    x = 31,769,238,977.28/168,033.60
  6. Step 6: Final answer
    x = 189,064.80

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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.