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Finding the Fourth Proportional to 93,197.52, 139,779 and 30,859.92

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Solution

The fourth proportional to 93,197.52, 139,779 and 30,859.92 is: 46,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,197.52 : 139,779 = 30,859.92 : x
  2. Step 2: Convert to fraction form
    93,197.52/139,779 = 30,859.92/x
  3. Step 3: Cross multiply
    93,197.52x = 139,779 × 30,859.92
  4. Step 4: Simplify right side
    93,197.52x = 4,313,568,757.68
  5. Step 5: Solve for x
    x = 4,313,568,757.68/93,197.52
  6. Step 6: Final answer
    x = 46,284.16

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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.