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Finding the Fourth Proportional to 200,483.13, 300,752.34 and 67,373.70

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Solution

The fourth proportional to 200,483.13, 300,752.34 and 67,373.70 is: 101,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,483.13 : 300,752.34 = 67,373.70 : x
  2. Step 2: Convert to fraction form
    200,483.13/300,752.34 = 67,373.70/x
  3. Step 3: Cross multiply
    200,483.13x = 300,752.34 × 67,373.70
  4. Step 4: Simplify right side
    200,483.13x = 20,262,797,592.59
  5. Step 5: Solve for x
    x = 20,262,797,592.59/200,483.13
  6. Step 6: Final answer
    x = 101,069.84

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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.