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Finding the Fourth Proportional to 91,141.92, 125,766.29 and 50,305.29

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Solution

The fourth proportional to 91,141.92, 125,766.29 and 50,305.29 is: 69,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,141.92 : 125,766.29 = 50,305.29 : x
  2. Step 2: Convert to fraction form
    91,141.92/125,766.29 = 50,305.29/x
  3. Step 3: Cross multiply
    91,141.92x = 125,766.29 × 50,305.29
  4. Step 4: Simplify right side
    91,141.92x = 6,326,709,690.67
  5. Step 5: Solve for x
    x = 6,326,709,690.67/91,141.92
  6. Step 6: Final answer
    x = 69,416.03

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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.