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Finding the Fourth Proportional to 92,325.15, 127,234.71 and 66,788.15

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Solution

The fourth proportional to 92,325.15, 127,234.71 and 66,788.15 is: 92,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,325.15 : 127,234.71 = 66,788.15 : x
  2. Step 2: Convert to fraction form
    92,325.15/127,234.71 = 66,788.15/x
  3. Step 3: Cross multiply
    92,325.15x = 127,234.71 × 66,788.15
  4. Step 4: Simplify right side
    92,325.15x = 8,497,770,896.69
  5. Step 5: Solve for x
    x = 8,497,770,896.69/92,325.15
  6. Step 6: Final answer
    x = 92,041.78

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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.