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Finding the Fourth Proportional to 182,433.60, 273,553.20 and 77,133.60

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Solution

The fourth proportional to 182,433.60, 273,553.20 and 77,133.60 is: 115,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,433.60 : 273,553.20 = 77,133.60 : x
  2. Step 2: Convert to fraction form
    182,433.60/273,553.20 = 77,133.60/x
  3. Step 3: Cross multiply
    182,433.60x = 273,553.20 × 77,133.60
  4. Step 4: Simplify right side
    182,433.60x = 21,100,143,107.52
  5. Step 5: Solve for x
    x = 21,100,143,107.52/182,433.60
  6. Step 6: Final answer
    x = 115,659.30

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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.