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Finding the Fourth Proportional to 92,615.67, 127,810.31 and 50,174.51

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Solution

The fourth proportional to 92,615.67, 127,810.31 and 50,174.51 is: 69,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,615.67 : 127,810.31 = 50,174.51 : x
  2. Step 2: Convert to fraction form
    92,615.67/127,810.31 = 50,174.51/x
  3. Step 3: Cross multiply
    92,615.67x = 127,810.31 × 50,174.51
  4. Step 4: Simplify right side
    92,615.67x = 6,412,818,787.27
  5. Step 5: Solve for x
    x = 6,412,818,787.27/92,615.67
  6. Step 6: Final answer
    x = 69,241.19

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1.5x scale

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.