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Finding the Fourth Proportional to 216,800.55, 325,202.88 and 96,863.54

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Solution

The fourth proportional to 216,800.55, 325,202.88 and 96,863.54 is: 145,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,800.55 : 325,202.88 = 96,863.54 : x
  2. Step 2: Convert to fraction form
    216,800.55/325,202.88 = 96,863.54/x
  3. Step 3: Cross multiply
    216,800.55x = 325,202.88 × 96,863.54
  4. Step 4: Simplify right side
    216,800.55x = 31,500,300,548.98
  5. Step 5: Solve for x
    x = 31,500,300,548.98/216,800.55
  6. Step 6: Final answer
    x = 145,296.22

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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.