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Finding the Fourth Proportional to 92,408.81, 127,524.87 and 51,017.09

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Solution

The fourth proportional to 92,408.81, 127,524.87 and 51,017.09 is: 70,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,408.81 : 127,524.87 = 51,017.09 : x
  2. Step 2: Convert to fraction form
    92,408.81/127,524.87 = 51,017.09/x
  3. Step 3: Cross multiply
    92,408.81x = 127,524.87 × 51,017.09
  4. Step 4: Simplify right side
    92,408.81x = 6,505,947,132.40
  5. Step 5: Solve for x
    x = 6,505,947,132.40/92,408.81
  6. Step 6: Final answer
    x = 70,403.97

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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.