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Finding the Fourth Proportional to 216,679.04, 325,059.24 and 98,358.68

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Solution

The fourth proportional to 216,679.04, 325,059.24 and 98,358.68 is: 147,556.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,679.04 : 325,059.24 = 98,358.68 : x
  2. Step 2: Convert to fraction form
    216,679.04/325,059.24 = 98,358.68/x
  3. Step 3: Cross multiply
    216,679.04x = 325,059.24 × 98,358.68
  4. Step 4: Simplify right side
    216,679.04x = 31,972,397,768.20
  5. Step 5: Solve for x
    x = 31,972,397,768.20/216,679.04
  6. Step 6: Final answer
    x = 147,556.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.