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Finding the Fourth Proportional to 134,219.65, 200,891.39 and 98,671.56

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Solution

The fourth proportional to 134,219.65, 200,891.39 and 98,671.56 is: 147,685.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,219.65 : 200,891.39 = 98,671.56 : x
  2. Step 2: Convert to fraction form
    134,219.65/200,891.39 = 98,671.56/x
  3. Step 3: Cross multiply
    134,219.65x = 200,891.39 × 98,671.56
  4. Step 4: Simplify right side
    134,219.65x = 19,822,266,841.87
  5. Step 5: Solve for x
    x = 19,822,266,841.87/134,219.65
  6. Step 6: Final answer
    x = 147,685.28

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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.