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Finding the Fourth Proportional to 91,101.56, 136,652.36 and 48,923.62

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Solution

The fourth proportional to 91,101.56, 136,652.36 and 48,923.62 is: 73,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,101.56 : 136,652.36 = 48,923.62 : x
  2. Step 2: Convert to fraction form
    91,101.56/136,652.36 = 48,923.62/x
  3. Step 3: Cross multiply
    91,101.56x = 136,652.36 × 48,923.62
  4. Step 4: Simplify right side
    91,101.56x = 6,685,527,546.49
  5. Step 5: Solve for x
    x = 6,685,527,546.49/91,101.56
  6. Step 6: Final answer
    x = 73,385.44

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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.