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Finding the Fourth Proportional to 92,675.75, 127,906.20 and 58,687.34

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Solution

The fourth proportional to 92,675.75, 127,906.20 and 58,687.34 is: 80,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,675.75 : 127,906.20 = 58,687.34 : x
  2. Step 2: Convert to fraction form
    92,675.75/127,906.20 = 58,687.34/x
  3. Step 3: Cross multiply
    92,675.75x = 127,906.20 × 58,687.34
  4. Step 4: Simplify right side
    92,675.75x = 7,506,474,647.51
  5. Step 5: Solve for x
    x = 7,506,474,647.51/92,675.75
  6. Step 6: Final answer
    x = 80,997.18

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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.