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Finding the Fourth Proportional to 160,967.12, 241,687.62 and 90,028.71

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Solution

The fourth proportional to 160,967.12, 241,687.62 and 90,028.71 is: 135,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,967.12 : 241,687.62 = 90,028.71 : x
  2. Step 2: Convert to fraction form
    160,967.12/241,687.62 = 90,028.71/x
  3. Step 3: Cross multiply
    160,967.12x = 241,687.62 × 90,028.71
  4. Step 4: Simplify right side
    160,967.12x = 21,758,824,651.57
  5. Step 5: Solve for x
    x = 21,758,824,651.57/160,967.12
  6. Step 6: Final answer
    x = 135,175.59

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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.