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Finding the Fourth Proportional to 161,791.14, 242,796.04 and 56,611.02

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Solution

The fourth proportional to 161,791.14, 242,796.04 and 56,611.02 is: 84,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,791.14 : 242,796.04 = 56,611.02 : x
  2. Step 2: Convert to fraction form
    161,791.14/242,796.04 = 56,611.02/x
  3. Step 3: Cross multiply
    161,791.14x = 242,796.04 × 56,611.02
  4. Step 4: Simplify right side
    161,791.14x = 13,744,931,476.36
  5. Step 5: Solve for x
    x = 13,744,931,476.36/161,791.14
  6. Step 6: Final answer
    x = 84,954.78

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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.