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Finding the Fourth Proportional to 216,599.30, 324,954.29 and 83,443.85

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Solution

The fourth proportional to 216,599.30, 324,954.29 and 83,443.85 is: 125,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,599.30 : 324,954.29 = 83,443.85 : x
  2. Step 2: Convert to fraction form
    216,599.30/324,954.29 = 83,443.85/x
  3. Step 3: Cross multiply
    216,599.30x = 324,954.29 × 83,443.85
  4. Step 4: Simplify right side
    216,599.30x = 27,115,435,615.45
  5. Step 5: Solve for x
    x = 27,115,435,615.45/216,599.30
  6. Step 6: Final answer
    x = 125,187.09

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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.