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Finding the Fourth Proportional to 252,751.62, 348,796.62 and 145,316.46

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Solution

The fourth proportional to 252,751.62, 348,796.62 and 145,316.46 is: 200,536.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,751.62 : 348,796.62 = 145,316.46 : x
  2. Step 2: Convert to fraction form
    252,751.62/348,796.62 = 145,316.46/x
  3. Step 3: Cross multiply
    252,751.62x = 348,796.62 × 145,316.46
  4. Step 4: Simplify right side
    252,751.62x = 50,685,890,078.37
  5. Step 5: Solve for x
    x = 50,685,890,078.37/252,751.62
  6. Step 6: Final answer
    x = 200,536.36

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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.