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Finding the Fourth Proportional to 182,220.60, 273,233.70 and 76,920.60

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Solution

The fourth proportional to 182,220.60, 273,233.70 and 76,920.60 is: 115,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,220.60 : 273,233.70 = 76,920.60 : x
  2. Step 2: Convert to fraction form
    182,220.60/273,233.70 = 76,920.60/x
  3. Step 3: Cross multiply
    182,220.60x = 273,233.70 × 76,920.60
  4. Step 4: Simplify right side
    182,220.60x = 21,017,300,144.22
  5. Step 5: Solve for x
    x = 21,017,300,144.22/182,220.60
  6. Step 6: Final answer
    x = 115,339.87

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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.