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Finding the Fourth Proportional to 104,700.16, 156,976 and 49,265.92

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Solution

The fourth proportional to 104,700.16, 156,976 and 49,265.92 is: 73,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,700.16 : 156,976 = 49,265.92 : x
  2. Step 2: Convert to fraction form
    104,700.16/156,976 = 49,265.92/x
  3. Step 3: Cross multiply
    104,700.16x = 156,976 × 49,265.92
  4. Step 4: Simplify right side
    104,700.16x = 7,733,567,057.92
  5. Step 5: Solve for x
    x = 7,733,567,057.92/104,700.16
  6. Step 6: Final answer
    x = 73,863.95

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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.