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Finding the Fourth Proportional to 217,503.52, 326,201.28 and 59,724.16

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Solution

The fourth proportional to 217,503.52, 326,201.28 and 59,724.16 is: 89,571.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,503.52 : 326,201.28 = 59,724.16 : x
  2. Step 2: Convert to fraction form
    217,503.52/326,201.28 = 59,724.16/x
  3. Step 3: Cross multiply
    217,503.52x = 326,201.28 × 59,724.16
  4. Step 4: Simplify right side
    217,503.52x = 19,482,097,438.92
  5. Step 5: Solve for x
    x = 19,482,097,438.92/217,503.52
  6. Step 6: Final answer
    x = 89,571.41

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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.