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Finding the Fourth Proportional to 253,786.16, 350,214.60 and 151,751.45

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Solution

The fourth proportional to 253,786.16, 350,214.60 and 151,751.45 is: 209,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,786.16 : 350,214.60 = 151,751.45 : x
  2. Step 2: Convert to fraction form
    253,786.16/350,214.60 = 151,751.45/x
  3. Step 3: Cross multiply
    253,786.16x = 350,214.60 × 151,751.45
  4. Step 4: Simplify right side
    253,786.16x = 53,145,571,610.10
  5. Step 5: Solve for x
    x = 53,145,571,610.10/253,786.16
  6. Step 6: Final answer
    x = 209,410.84

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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.