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Finding the Fourth Proportional to 163,206.40, 244,342.40 and 100,454.40

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Solution

The fourth proportional to 163,206.40, 244,342.40 and 100,454.40 is: 150,394.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,206.40 : 244,342.40 = 100,454.40 : x
  2. Step 2: Convert to fraction form
    163,206.40/244,342.40 = 100,454.40/x
  3. Step 3: Cross multiply
    163,206.40x = 244,342.40 × 100,454.40
  4. Step 4: Simplify right side
    163,206.40x = 24,545,269,186.56
  5. Step 5: Solve for x
    x = 24,545,269,186.56/163,206.40
  6. Step 6: Final answer
    x = 150,394.04

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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.