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Finding the Fourth Proportional to 92,144.41, 127,198.52 and 61,947.25

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Solution

The fourth proportional to 92,144.41, 127,198.52 and 61,947.25 is: 85,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,144.41 : 127,198.52 = 61,947.25 : x
  2. Step 2: Convert to fraction form
    92,144.41/127,198.52 = 61,947.25/x
  3. Step 3: Cross multiply
    92,144.41x = 127,198.52 × 61,947.25
  4. Step 4: Simplify right side
    92,144.41x = 7,879,597,572.34
  5. Step 5: Solve for x
    x = 7,879,597,572.34/92,144.41
  6. Step 6: Final answer
    x = 85,513.57

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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.