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Finding the Fourth Proportional to 217,205.68, 325,764.78 and 59,450.08

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Solution

The fourth proportional to 217,205.68, 325,764.78 and 59,450.08 is: 89,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,205.68 : 325,764.78 = 59,450.08 : x
  2. Step 2: Convert to fraction form
    217,205.68/325,764.78 = 59,450.08/x
  3. Step 3: Cross multiply
    217,205.68x = 325,764.78 × 59,450.08
  4. Step 4: Simplify right side
    217,205.68x = 19,366,742,232.18
  5. Step 5: Solve for x
    x = 19,366,742,232.18/217,205.68
  6. Step 6: Final answer
    x = 89,163.15

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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.