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Finding the Fourth Proportional to 168,762.80, 253,147.20 and 50,435.60

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Solution

The fourth proportional to 168,762.80, 253,147.20 and 50,435.60 is: 75,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,762.80 : 253,147.20 = 50,435.60 : x
  2. Step 2: Convert to fraction form
    168,762.80/253,147.20 = 50,435.60/x
  3. Step 3: Cross multiply
    168,762.80x = 253,147.20 × 50,435.60
  4. Step 4: Simplify right side
    168,762.80x = 12,767,630,920.32
  5. Step 5: Solve for x
    x = 12,767,630,920.32/168,762.80
  6. Step 6: Final answer
    x = 75,654.30

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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.