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Finding the Fourth Proportional to 182,203.60, 273,208.20 and 76,903.60

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Solution

The fourth proportional to 182,203.60, 273,208.20 and 76,903.60 is: 115,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,203.60 : 273,208.20 = 76,903.60 : x
  2. Step 2: Convert to fraction form
    182,203.60/273,208.20 = 76,903.60/x
  3. Step 3: Cross multiply
    182,203.60x = 273,208.20 × 76,903.60
  4. Step 4: Simplify right side
    182,203.60x = 21,010,694,129.52
  5. Step 5: Solve for x
    x = 21,010,694,129.52/182,203.60
  6. Step 6: Final answer
    x = 115,314.37

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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.