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Finding the Fourth Proportional to 108,051.12, 162,092.88 and 37,918.08

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Solution

The fourth proportional to 108,051.12, 162,092.88 and 37,918.08 is: 56,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,051.12 : 162,092.88 = 37,918.08 : x
  2. Step 2: Convert to fraction form
    108,051.12/162,092.88 = 37,918.08/x
  3. Step 3: Cross multiply
    108,051.12x = 162,092.88 × 37,918.08
  4. Step 4: Simplify right side
    108,051.12x = 6,146,250,791.27
  5. Step 5: Solve for x
    x = 6,146,250,791.27/108,051.12
  6. Step 6: Final answer
    x = 56,882.81

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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.