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Finding the Fourth Proportional to 259,882.86, 389,824.32 and 62,890.86

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Solution

The fourth proportional to 259,882.86, 389,824.32 and 62,890.86 is: 94,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,882.86 : 389,824.32 = 62,890.86 : x
  2. Step 2: Convert to fraction form
    259,882.86/389,824.32 = 62,890.86/x
  3. Step 3: Cross multiply
    259,882.86x = 389,824.32 × 62,890.86
  4. Step 4: Simplify right side
    259,882.86x = 24,516,386,733.72
  5. Step 5: Solve for x
    x = 24,516,386,733.72/259,882.86
  6. Step 6: Final answer
    x = 94,336.30

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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.