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Finding the Fourth Proportional to 92,196.87, 127,243.80 and 51,918.51

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Solution

The fourth proportional to 92,196.87, 127,243.80 and 51,918.51 is: 71,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,196.87 : 127,243.80 = 51,918.51 : x
  2. Step 2: Convert to fraction form
    92,196.87/127,243.80 = 51,918.51/x
  3. Step 3: Cross multiply
    92,196.87x = 127,243.80 × 51,918.51
  4. Step 4: Simplify right side
    92,196.87x = 6,606,308,502.74
  5. Step 5: Solve for x
    x = 6,606,308,502.74/92,196.87
  6. Step 6: Final answer
    x = 71,654.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.