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Finding the Fourth Proportional to 99,962.66, 149,951.72 and 33,403.01

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Solution

The fourth proportional to 99,962.66, 149,951.72 and 33,403.01 is: 50,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,962.66 : 149,951.72 = 33,403.01 : x
  2. Step 2: Convert to fraction form
    99,962.66/149,951.72 = 33,403.01/x
  3. Step 3: Cross multiply
    99,962.66x = 149,951.72 × 33,403.01
  4. Step 4: Simplify right side
    99,962.66x = 5,008,839,261.06
  5. Step 5: Solve for x
    x = 5,008,839,261.06/99,962.66
  6. Step 6: Final answer
    x = 50,107.11

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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.