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Finding the Fourth Proportional to 352,198.62, 528,288.42 and 99,496.53

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Solution

The fourth proportional to 352,198.62, 528,288.42 and 99,496.53 is: 149,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,198.62 : 528,288.42 = 99,496.53 : x
  2. Step 2: Convert to fraction form
    352,198.62/528,288.42 = 99,496.53/x
  3. Step 3: Cross multiply
    352,198.62x = 528,288.42 × 99,496.53
  4. Step 4: Simplify right side
    352,198.62x = 52,562,864,629.18
  5. Step 5: Solve for x
    x = 52,562,864,629.18/352,198.62
  6. Step 6: Final answer
    x = 149,242.11

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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.