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Finding the Fourth Proportional to 92,380.83, 127,485.50 and 49,939.44

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Solution

The fourth proportional to 92,380.83, 127,485.50 and 49,939.44 is: 68,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,380.83 : 127,485.50 = 49,939.44 : x
  2. Step 2: Convert to fraction form
    92,380.83/127,485.50 = 49,939.44/x
  3. Step 3: Cross multiply
    92,380.83x = 127,485.50 × 49,939.44
  4. Step 4: Simplify right side
    92,380.83x = 6,366,554,228.42
  5. Step 5: Solve for x
    x = 6,366,554,228.42/92,380.83
  6. Step 6: Final answer
    x = 68,916.40

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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.