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Finding the Fourth Proportional to 93,198.79, 139,774.73 and 26,639.27

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Solution

The fourth proportional to 93,198.79, 139,774.73 and 26,639.27 is: 39,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,198.79 : 139,774.73 = 26,639.27 : x
  2. Step 2: Convert to fraction form
    93,198.79/139,774.73 = 26,639.27/x
  3. Step 3: Cross multiply
    93,198.79x = 139,774.73 × 26,639.27
  4. Step 4: Simplify right side
    93,198.79x = 3,723,495,939.58
  5. Step 5: Solve for x
    x = 3,723,495,939.58/93,198.79
  6. Step 6: Final answer
    x = 39,952.19

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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.