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Finding the Fourth Proportional to 92,750.67, 127,996.61 and 50,309.51

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Solution

The fourth proportional to 92,750.67, 127,996.61 and 50,309.51 is: 69,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,750.67 : 127,996.61 = 50,309.51 : x
  2. Step 2: Convert to fraction form
    92,750.67/127,996.61 = 50,309.51/x
  3. Step 3: Cross multiply
    92,750.67x = 127,996.61 × 50,309.51
  4. Step 4: Simplify right side
    92,750.67x = 6,439,445,839.23
  5. Step 5: Solve for x
    x = 6,439,445,839.23/92,750.67
  6. Step 6: Final answer
    x = 69,427.49

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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.