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Finding the Fourth Proportional to 216,790.68, 325,191.78 and 59,022.36

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Solution

The fourth proportional to 216,790.68, 325,191.78 and 59,022.36 is: 88,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,790.68 : 325,191.78 = 59,022.36 : x
  2. Step 2: Convert to fraction form
    216,790.68/325,191.78 = 59,022.36/x
  3. Step 3: Cross multiply
    216,790.68x = 325,191.78 × 59,022.36
  4. Step 4: Simplify right side
    216,790.68x = 19,193,586,308.20
  5. Step 5: Solve for x
    x = 19,193,586,308.20/216,790.68
  6. Step 6: Final answer
    x = 88,535.11

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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.