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Finding the Fourth Proportional to 200,867.76, 300,679.52 and 117,923.76

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Solution

The fourth proportional to 200,867.76, 300,679.52 and 117,923.76 is: 176,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,867.76 : 300,679.52 = 117,923.76 : x
  2. Step 2: Convert to fraction form
    200,867.76/300,679.52 = 117,923.76/x
  3. Step 3: Cross multiply
    200,867.76x = 300,679.52 × 117,923.76
  4. Step 4: Simplify right side
    200,867.76x = 35,457,259,553.40
  5. Step 5: Solve for x
    x = 35,457,259,553.40/200,867.76
  6. Step 6: Final answer
    x = 176,520.41

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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.