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Finding the Fourth Proportional to 195,930.76, 270,337.14 and 124,284.76

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Solution

The fourth proportional to 195,930.76, 270,337.14 and 124,284.76 is: 171,482.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,930.76 : 270,337.14 = 124,284.76 : x
  2. Step 2: Convert to fraction form
    195,930.76/270,337.14 = 124,284.76/x
  3. Step 3: Cross multiply
    195,930.76x = 270,337.14 × 124,284.76
  4. Step 4: Simplify right side
    195,930.76x = 33,598,786,563.99
  5. Step 5: Solve for x
    x = 33,598,786,563.99/195,930.76
  6. Step 6: Final answer
    x = 171,482.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.