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Finding the Fourth Proportional to 163,200.79, 244,624.62 and 68,482.43

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Solution

The fourth proportional to 163,200.79, 244,624.62 and 68,482.43 is: 102,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,200.79 : 244,624.62 = 68,482.43 : x
  2. Step 2: Convert to fraction form
    163,200.79/244,624.62 = 68,482.43/x
  3. Step 3: Cross multiply
    163,200.79x = 244,624.62 × 68,482.43
  4. Step 4: Simplify right side
    163,200.79x = 16,752,488,366.45
  5. Step 5: Solve for x
    x = 16,752,488,366.45/163,200.79
  6. Step 6: Final answer
    x = 102,649.55

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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.