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Finding the Fourth Proportional to 114,591.92, 171,890.06 and 39,714.48

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Solution

The fourth proportional to 114,591.92, 171,890.06 and 39,714.48 is: 59,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,591.92 : 171,890.06 = 39,714.48 : x
  2. Step 2: Convert to fraction form
    114,591.92/171,890.06 = 39,714.48/x
  3. Step 3: Cross multiply
    114,591.92x = 171,890.06 × 39,714.48
  4. Step 4: Simplify right side
    114,591.92x = 6,826,524,151.50
  5. Step 5: Solve for x
    x = 6,826,524,151.50/114,591.92
  6. Step 6: Final answer
    x = 59,572.48

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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.