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Finding the Fourth Proportional to 161,791.64, 242,796.79 and 56,611.52

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Solution

The fourth proportional to 161,791.64, 242,796.79 and 56,611.52 is: 84,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,791.64 : 242,796.79 = 56,611.52 : x
  2. Step 2: Convert to fraction form
    161,791.64/242,796.79 = 56,611.52/x
  3. Step 3: Cross multiply
    161,791.64x = 242,796.79 × 56,611.52
  4. Step 4: Simplify right side
    161,791.64x = 13,745,095,333.02
  5. Step 5: Solve for x
    x = 13,745,095,333.02/161,791.64
  6. Step 6: Final answer
    x = 84,955.53

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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.