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Finding the Fourth Proportional to 216,900.96, 325,561.50 and 104,660.10

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Solution

The fourth proportional to 216,900.96, 325,561.50 and 104,660.10 is: 157,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,900.96 : 325,561.50 = 104,660.10 : x
  2. Step 2: Convert to fraction form
    216,900.96/325,561.50 = 104,660.10/x
  3. Step 3: Cross multiply
    216,900.96x = 325,561.50 × 104,660.10
  4. Step 4: Simplify right side
    216,900.96x = 34,073,299,146.15
  5. Step 5: Solve for x
    x = 34,073,299,146.15/216,900.96
  6. Step 6: Final answer
    x = 157,091.51

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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.