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Finding the Fourth Proportional to 202,052.76, 278,893.98 and 117,190.68

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Solution

The fourth proportional to 202,052.76, 278,893.98 and 117,190.68 is: 161,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,052.76 : 278,893.98 = 117,190.68 : x
  2. Step 2: Convert to fraction form
    202,052.76/278,893.98 = 117,190.68/x
  3. Step 3: Cross multiply
    202,052.76x = 278,893.98 × 117,190.68
  4. Step 4: Simplify right side
    202,052.76x = 32,683,775,164.11
  5. Step 5: Solve for x
    x = 32,683,775,164.11/202,052.76
  6. Step 6: Final answer
    x = 161,758.62

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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.