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Finding the Fourth Proportional to 217,570.77, 326,349.32 and 59,797.86

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Solution

The fourth proportional to 217,570.77, 326,349.32 and 59,797.86 is: 89,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,570.77 : 326,349.32 = 59,797.86 : x
  2. Step 2: Convert to fraction form
    217,570.77/326,349.32 = 59,797.86/x
  3. Step 3: Cross multiply
    217,570.77x = 326,349.32 × 59,797.86
  4. Step 4: Simplify right side
    217,570.77x = 19,514,990,649.47
  5. Step 5: Solve for x
    x = 19,514,990,649.47/217,570.77
  6. Step 6: Final answer
    x = 89,694.91

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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.