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Finding the Fourth Proportional to 93,209.82, 139,814.73 and 26,649.42

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Solution

The fourth proportional to 93,209.82, 139,814.73 and 26,649.42 is: 39,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,209.82 : 139,814.73 = 26,649.42 : x
  2. Step 2: Convert to fraction form
    93,209.82/139,814.73 = 26,649.42/x
  3. Step 3: Cross multiply
    93,209.82x = 139,814.73 × 26,649.42
  4. Step 4: Simplify right side
    93,209.82x = 3,725,981,461.96
  5. Step 5: Solve for x
    x = 3,725,981,461.96/93,209.82
  6. Step 6: Final answer
    x = 39,974.13

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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.