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Finding the Fourth Proportional to 216,597.42, 324,951.48 and 83,441.97

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Solution

The fourth proportional to 216,597.42, 324,951.48 and 83,441.97 is: 125,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,597.42 : 324,951.48 = 83,441.97 : x
  2. Step 2: Convert to fraction form
    216,597.42/324,951.48 = 83,441.97/x
  3. Step 3: Cross multiply
    216,597.42x = 324,951.48 × 83,441.97
  4. Step 4: Simplify right side
    216,597.42x = 27,114,591,645.62
  5. Step 5: Solve for x
    x = 27,114,591,645.62/216,597.42
  6. Step 6: Final answer
    x = 125,184.28

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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.