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Finding the Fourth Proportional to 217,292.85, 325,939.28 and 59,521.05

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Solution

The fourth proportional to 217,292.85, 325,939.28 and 59,521.05 is: 89,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,292.85 : 325,939.28 = 59,521.05 : x
  2. Step 2: Convert to fraction form
    217,292.85/325,939.28 = 59,521.05/x
  3. Step 3: Cross multiply
    217,292.85x = 325,939.28 × 59,521.05
  4. Step 4: Simplify right side
    217,292.85x = 19,400,247,884.24
  5. Step 5: Solve for x
    x = 19,400,247,884.24/217,292.85
  6. Step 6: Final answer
    x = 89,281.58

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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.