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Finding the Fourth Proportional to 116,938.20, 175,115.70 and 93,610.20

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Solution

The fourth proportional to 116,938.20, 175,115.70 and 93,610.20 is: 140,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,938.20 : 175,115.70 = 93,610.20 : x
  2. Step 2: Convert to fraction form
    116,938.20/175,115.70 = 93,610.20/x
  3. Step 3: Cross multiply
    116,938.20x = 175,115.70 × 93,610.20
  4. Step 4: Simplify right side
    116,938.20x = 16,392,615,700.14
  5. Step 5: Solve for x
    x = 16,392,615,700.14/116,938.20
  6. Step 6: Final answer
    x = 140,181.87

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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.