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Finding the Fourth Proportional to 200,744.84, 301,145.88 and 65,780.04

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Solution

The fourth proportional to 200,744.84, 301,145.88 and 65,780.04 is: 98,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,744.84 : 301,145.88 = 65,780.04 : x
  2. Step 2: Convert to fraction form
    200,744.84/301,145.88 = 65,780.04/x
  3. Step 3: Cross multiply
    200,744.84x = 301,145.88 × 65,780.04
  4. Step 4: Simplify right side
    200,744.84x = 19,809,388,032.24
  5. Step 5: Solve for x
    x = 19,809,388,032.24/200,744.84
  6. Step 6: Final answer
    x = 98,679.44

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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.