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Finding the Fourth Proportional to 171,951.21, 257,929.89 and 59,635.39

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Solution

The fourth proportional to 171,951.21, 257,929.89 and 59,635.39 is: 89,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,951.21 : 257,929.89 = 59,635.39 : x
  2. Step 2: Convert to fraction form
    171,951.21/257,929.89 = 59,635.39/x
  3. Step 3: Cross multiply
    171,951.21x = 257,929.89 × 59,635.39
  4. Step 4: Simplify right side
    171,951.21x = 15,381,749,582.81
  5. Step 5: Solve for x
    x = 15,381,749,582.81/171,951.21
  6. Step 6: Final answer
    x = 89,454.15

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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.