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Finding the Fourth Proportional to 202,279.10, 303,127.05 and 89,867.30

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Solution

The fourth proportional to 202,279.10, 303,127.05 and 89,867.30 is: 134,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,279.10 : 303,127.05 = 89,867.30 : x
  2. Step 2: Convert to fraction form
    202,279.10/303,127.05 = 89,867.30/x
  3. Step 3: Cross multiply
    202,279.10x = 303,127.05 × 89,867.30
  4. Step 4: Simplify right side
    202,279.10x = 27,241,209,540.47
  5. Step 5: Solve for x
    x = 27,241,209,540.47/202,279.10
  6. Step 6: Final answer
    x = 134,671.40

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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.