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Finding the Fourth Proportional to 92,379.32, 127,473.94 and 68,193.16

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Solution

The fourth proportional to 92,379.32, 127,473.94 and 68,193.16 is: 94,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,379.32 : 127,473.94 = 68,193.16 : x
  2. Step 2: Convert to fraction form
    92,379.32/127,473.94 = 68,193.16/x
  3. Step 3: Cross multiply
    92,379.32x = 127,473.94 × 68,193.16
  4. Step 4: Simplify right side
    92,379.32x = 8,692,850,786.25
  5. Step 5: Solve for x
    x = 8,692,850,786.25/92,379.32
  6. Step 6: Final answer
    x = 94,099.53

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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.