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Finding the Fourth Proportional to 99,649.64, 149,441.96 and 33,071.90

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Solution

The fourth proportional to 99,649.64, 149,441.96 and 33,071.90 is: 49,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,649.64 : 149,441.96 = 33,071.90 : x
  2. Step 2: Convert to fraction form
    99,649.64/149,441.96 = 33,071.90/x
  3. Step 3: Cross multiply
    99,649.64x = 149,441.96 × 33,071.90
  4. Step 4: Simplify right side
    99,649.64x = 4,942,328,892.39
  5. Step 5: Solve for x
    x = 4,942,328,892.39/99,649.64
  6. Step 6: Final answer
    x = 49,597.06

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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.