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Finding the Fourth Proportional to 93,197.65, 139,658.23 and 68,452.69

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Solution

The fourth proportional to 93,197.65, 139,658.23 and 68,452.69 is: 102,577.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,197.65 : 139,658.23 = 68,452.69 : x
  2. Step 2: Convert to fraction form
    93,197.65/139,658.23 = 68,452.69/x
  3. Step 3: Cross multiply
    93,197.65x = 139,658.23 × 68,452.69
  4. Step 4: Simplify right side
    93,197.65x = 9,559,981,524.14
  5. Step 5: Solve for x
    x = 9,559,981,524.14/93,197.65
  6. Step 6: Final answer
    x = 102,577.50

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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.