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Finding the Fourth Proportional to 190,843.90, 286,265.85 and 167,515.90

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Solution

The fourth proportional to 190,843.90, 286,265.85 and 167,515.90 is: 251,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,843.90 : 286,265.85 = 167,515.90 : x
  2. Step 2: Convert to fraction form
    190,843.90/286,265.85 = 167,515.90/x
  3. Step 3: Cross multiply
    190,843.90x = 286,265.85 × 167,515.90
  4. Step 4: Simplify right side
    190,843.90x = 47,954,081,502.02
  5. Step 5: Solve for x
    x = 47,954,081,502.02/190,843.90
  6. Step 6: Final answer
    x = 251,273.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.