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Finding the Fourth Proportional to 99,963.54, 149,969.04 and 29,841.03

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Solution

The fourth proportional to 99,963.54, 149,969.04 and 29,841.03 is: 44,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,963.54 : 149,969.04 = 29,841.03 : x
  2. Step 2: Convert to fraction form
    99,963.54/149,969.04 = 29,841.03/x
  3. Step 3: Cross multiply
    99,963.54x = 149,969.04 × 29,841.03
  4. Step 4: Simplify right side
    99,963.54x = 4,475,230,621.71
  5. Step 5: Solve for x
    x = 4,475,230,621.71/99,963.54
  6. Step 6: Final answer
    x = 44,768.63

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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.