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Finding the Fourth Proportional to 362,246.40, 543,019.68 and 125,411.04

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Solution

The fourth proportional to 362,246.40, 543,019.68 and 125,411.04 is: 187,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,246.40 : 543,019.68 = 125,411.04 : x
  2. Step 2: Convert to fraction form
    362,246.40/543,019.68 = 125,411.04/x
  3. Step 3: Cross multiply
    362,246.40x = 543,019.68 × 125,411.04
  4. Step 4: Simplify right side
    362,246.40x = 68,100,662,809.27
  5. Step 5: Solve for x
    x = 68,100,662,809.27/362,246.40
  6. Step 6: Final answer
    x = 187,995.42

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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.