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Finding the Fourth Proportional to 144,770.68, 217,114.36 and 49,976.20

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Solution

The fourth proportional to 144,770.68, 217,114.36 and 49,976.20 is: 74,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,770.68 : 217,114.36 = 49,976.20 : x
  2. Step 2: Convert to fraction form
    144,770.68/217,114.36 = 49,976.20/x
  3. Step 3: Cross multiply
    144,770.68x = 217,114.36 × 49,976.20
  4. Step 4: Simplify right side
    144,770.68x = 10,850,550,678.23
  5. Step 5: Solve for x
    x = 10,850,550,678.23/144,770.68
  6. Step 6: Final answer
    x = 74,949.92

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1.5x scale

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.