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Finding the Fourth Proportional to 250,516.77, 345,698.49 and 148,552.03

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Solution

The fourth proportional to 250,516.77, 345,698.49 and 148,552.03 is: 204,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,516.77 : 345,698.49 = 148,552.03 : x
  2. Step 2: Convert to fraction form
    250,516.77/345,698.49 = 148,552.03/x
  3. Step 3: Cross multiply
    250,516.77x = 345,698.49 × 148,552.03
  4. Step 4: Simplify right side
    250,516.77x = 51,354,212,457.43
  5. Step 5: Solve for x
    x = 51,354,212,457.43/250,516.77
  6. Step 6: Final answer
    x = 204,993.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.