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Finding the Fourth Proportional to 93,938.96, 140,867.48 and 35,530

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Solution

The fourth proportional to 93,938.96, 140,867.48 and 35,530 is: 53,279.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,938.96 : 140,867.48 = 35,530 : x
  2. Step 2: Convert to fraction form
    93,938.96/140,867.48 = 35,530/x
  3. Step 3: Cross multiply
    93,938.96x = 140,867.48 × 35,530
  4. Step 4: Simplify right side
    93,938.96x = 5,005,021,564.40
  5. Step 5: Solve for x
    x = 5,005,021,564.40/93,938.96
  6. Step 6: Final answer
    x = 53,279.51

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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.