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Finding the Fourth Proportional to 93,324.78, 139,987.70 and 23,204.09

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Solution

The fourth proportional to 93,324.78, 139,987.70 and 23,204.09 is: 34,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,324.78 : 139,987.70 = 23,204.09 : x
  2. Step 2: Convert to fraction form
    93,324.78/139,987.70 = 23,204.09/x
  3. Step 3: Cross multiply
    93,324.78x = 139,987.70 × 23,204.09
  4. Step 4: Simplify right side
    93,324.78x = 3,248,286,373.73
  5. Step 5: Solve for x
    x = 3,248,286,373.73/93,324.78
  6. Step 6: Final answer
    x = 34,806.26

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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.