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Finding the Fourth Proportional to 99,301.70, 148,905.62 and 36,077.73

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Solution

The fourth proportional to 99,301.70, 148,905.62 and 36,077.73 is: 54,099.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,301.70 : 148,905.62 = 36,077.73 : x
  2. Step 2: Convert to fraction form
    99,301.70/148,905.62 = 36,077.73/x
  3. Step 3: Cross multiply
    99,301.70x = 148,905.62 × 36,077.73
  4. Step 4: Simplify right side
    99,301.70x = 5,372,176,467.68
  5. Step 5: Solve for x
    x = 5,372,176,467.68/99,301.70
  6. Step 6: Final answer
    x = 54,099.54

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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.