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Finding the Fourth Proportional to 273,288.67, 409,921.22 and 93,390.17

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Solution

The fourth proportional to 273,288.67, 409,921.22 and 93,390.17 is: 140,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,288.67 : 409,921.22 = 93,390.17 : x
  2. Step 2: Convert to fraction form
    273,288.67/409,921.22 = 93,390.17/x
  3. Step 3: Cross multiply
    273,288.67x = 409,921.22 × 93,390.17
  4. Step 4: Simplify right side
    273,288.67x = 38,282,610,606.28
  5. Step 5: Solve for x
    x = 38,282,610,606.28/273,288.67
  6. Step 6: Final answer
    x = 140,081.22

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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.