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Finding the Fourth Proportional to 215,693.04, 323,527.68 and 65,933.24

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Solution

The fourth proportional to 215,693.04, 323,527.68 and 65,933.24 is: 98,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,693.04 : 323,527.68 = 65,933.24 : x
  2. Step 2: Convert to fraction form
    215,693.04/323,527.68 = 65,933.24/x
  3. Step 3: Cross multiply
    215,693.04x = 323,527.68 × 65,933.24
  4. Step 4: Simplify right side
    215,693.04x = 21,331,228,172.08
  5. Step 5: Solve for x
    x = 21,331,228,172.08/215,693.04
  6. Step 6: Final answer
    x = 98,896.23

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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.