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Finding the Fourth Proportional to 273,298.05, 409,935.27 and 93,399.54

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Solution

The fourth proportional to 273,298.05, 409,935.27 and 93,399.54 is: 140,095.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,298.05 : 409,935.27 = 93,399.54 : x
  2. Step 2: Convert to fraction form
    273,298.05/409,935.27 = 93,399.54/x
  3. Step 3: Cross multiply
    273,298.05x = 409,935.27 × 93,399.54
  4. Step 4: Simplify right side
    273,298.05x = 38,287,765,647.78
  5. Step 5: Solve for x
    x = 38,287,765,647.78/273,298.05
  6. Step 6: Final answer
    x = 140,095.28

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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.