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Finding the Fourth Proportional to 217,569.12, 326,345.46 and 59,793.46

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Solution

The fourth proportional to 217,569.12, 326,345.46 and 59,793.46 is: 89,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,569.12 : 326,345.46 = 59,793.46 : x
  2. Step 2: Convert to fraction form
    217,569.12/326,345.46 = 59,793.46/x
  3. Step 3: Cross multiply
    217,569.12x = 326,345.46 × 59,793.46
  4. Step 4: Simplify right side
    217,569.12x = 19,513,324,208.69
  5. Step 5: Solve for x
    x = 19,513,324,208.69/217,569.12
  6. Step 6: Final answer
    x = 89,687.93

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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.