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Finding the Fourth Proportional to 202,167.15, 278,975.84 and 117,267.87

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Solution

The fourth proportional to 202,167.15, 278,975.84 and 117,267.87 is: 161,821.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,167.15 : 278,975.84 = 117,267.87 : x
  2. Step 2: Convert to fraction form
    202,167.15/278,975.84 = 117,267.87/x
  3. Step 3: Cross multiply
    202,167.15x = 278,975.84 × 117,267.87
  4. Step 4: Simplify right side
    202,167.15x = 32,714,901,951.92
  5. Step 5: Solve for x
    x = 32,714,901,951.92/202,167.15
  6. Step 6: Final answer
    x = 161,821.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.