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Finding the Fourth Proportional to 91,999.92, 137,900.70 and 44,514.72

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Solution

The fourth proportional to 91,999.92, 137,900.70 and 44,514.72 is: 66,724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,999.92 : 137,900.70 = 44,514.72 : x
  2. Step 2: Convert to fraction form
    91,999.92/137,900.70 = 44,514.72/x
  3. Step 3: Cross multiply
    91,999.92x = 137,900.70 × 44,514.72
  4. Step 4: Simplify right side
    91,999.92x = 6,138,611,048.30
  5. Step 5: Solve for x
    x = 6,138,611,048.30/91,999.92
  6. Step 6: Final answer
    x = 66,724.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.