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Finding the Fourth Proportional to 216,797.54, 324,973.94 and 83,625.44

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Solution

The fourth proportional to 216,797.54, 324,973.94 and 83,625.44 is: 125,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,797.54 : 324,973.94 = 83,625.44 : x
  2. Step 2: Convert to fraction form
    216,797.54/324,973.94 = 83,625.44/x
  3. Step 3: Cross multiply
    216,797.54x = 324,973.94 × 83,625.44
  4. Step 4: Simplify right side
    216,797.54x = 27,176,086,678.04
  5. Step 5: Solve for x
    x = 27,176,086,678.04/216,797.54
  6. Step 6: Final answer
    x = 125,352.38

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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.