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Finding the Fourth Proportional to 104,098.35, 156,124.16 and 47,884.47

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Solution

The fourth proportional to 104,098.35, 156,124.16 and 47,884.47 is: 71,815.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,098.35 : 156,124.16 = 47,884.47 : x
  2. Step 2: Convert to fraction form
    104,098.35/156,124.16 = 47,884.47/x
  3. Step 3: Cross multiply
    104,098.35x = 156,124.16 × 47,884.47
  4. Step 4: Simplify right side
    104,098.35x = 7,475,922,416.37
  5. Step 5: Solve for x
    x = 7,475,922,416.37/104,098.35
  6. Step 6: Final answer
    x = 71,815.95

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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.