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Finding the Fourth Proportional to 93,123.92, 139,707.66 and 30,794.42

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Solution

The fourth proportional to 93,123.92, 139,707.66 and 30,794.42 is: 46,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,123.92 : 139,707.66 = 30,794.42 : x
  2. Step 2: Convert to fraction form
    93,123.92/139,707.66 = 30,794.42/x
  3. Step 3: Cross multiply
    93,123.92x = 139,707.66 × 30,794.42
  4. Step 4: Simplify right side
    93,123.92x = 4,302,216,359.26
  5. Step 5: Solve for x
    x = 4,302,216,359.26/93,123.92
  6. Step 6: Final answer
    x = 46,198.83

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1.5x scale

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.