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Finding the Fourth Proportional to 92,408.30, 127,521.51 and 54,694.70

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Solution

The fourth proportional to 92,408.30, 127,521.51 and 54,694.70 is: 75,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,408.30 : 127,521.51 = 54,694.70 : x
  2. Step 2: Convert to fraction form
    92,408.30/127,521.51 = 54,694.70/x
  3. Step 3: Cross multiply
    92,408.30x = 127,521.51 × 54,694.70
  4. Step 4: Simplify right side
    92,408.30x = 6,974,750,733.00
  5. Step 5: Solve for x
    x = 6,974,750,733.00/92,408.30
  6. Step 6: Final answer
    x = 75,477.54

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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.