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Finding the Fourth Proportional to 93,175.99, 139,765.20 and 26,618.29

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Solution

The fourth proportional to 93,175.99, 139,765.20 and 26,618.29 is: 39,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,175.99 : 139,765.20 = 26,618.29 : x
  2. Step 2: Convert to fraction form
    93,175.99/139,765.20 = 26,618.29/x
  3. Step 3: Cross multiply
    93,175.99x = 139,765.20 × 26,618.29
  4. Step 4: Simplify right side
    93,175.99x = 3,720,310,176.28
  5. Step 5: Solve for x
    x = 3,720,310,176.28/93,175.99
  6. Step 6: Final answer
    x = 39,927.78

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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.