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Finding the Fourth Proportional to 182,107.60, 273,064.20 and 76,807.60

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Solution

The fourth proportional to 182,107.60, 273,064.20 and 76,807.60 is: 115,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,107.60 : 273,064.20 = 76,807.60 : x
  2. Step 2: Convert to fraction form
    182,107.60/273,064.20 = 76,807.60/x
  3. Step 3: Cross multiply
    182,107.60x = 273,064.20 × 76,807.60
  4. Step 4: Simplify right side
    182,107.60x = 20,973,405,847.92
  5. Step 5: Solve for x
    x = 20,973,405,847.92/182,107.60
  6. Step 6: Final answer
    x = 115,170.40

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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.