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Finding the Fourth Proportional to 169,174.88, 253,791.60 and 56,866.08

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Solution

The fourth proportional to 169,174.88, 253,791.60 and 56,866.08 is: 85,308.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,174.88 : 253,791.60 = 56,866.08 : x
  2. Step 2: Convert to fraction form
    169,174.88/253,791.60 = 56,866.08/x
  3. Step 3: Cross multiply
    169,174.88x = 253,791.60 × 56,866.08
  4. Step 4: Simplify right side
    169,174.88x = 14,432,133,428.93
  5. Step 5: Solve for x
    x = 14,432,133,428.93/169,174.88
  6. Step 6: Final answer
    x = 85,308.96

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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.