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Finding the Fourth Proportional to 362,363.84, 543,612.57 and 119,218.59

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Solution

The fourth proportional to 362,363.84, 543,612.57 and 119,218.59 is: 178,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,363.84 : 543,612.57 = 119,218.59 : x
  2. Step 2: Convert to fraction form
    362,363.84/543,612.57 = 119,218.59/x
  3. Step 3: Cross multiply
    362,363.84x = 543,612.57 × 119,218.59
  4. Step 4: Simplify right side
    362,363.84x = 64,808,724,101.68
  5. Step 5: Solve for x
    x = 64,808,724,101.68/362,363.84
  6. Step 6: Final answer
    x = 178,849.87

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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.