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Finding the Fourth Proportional to 252,576.60, 348,615.54 and 145,209.01

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Solution

The fourth proportional to 252,576.60, 348,615.54 and 145,209.01 is: 200,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,576.60 : 348,615.54 = 145,209.01 : x
  2. Step 2: Convert to fraction form
    252,576.60/348,615.54 = 145,209.01/x
  3. Step 3: Cross multiply
    252,576.60x = 348,615.54 × 145,209.01
  4. Step 4: Simplify right side
    252,576.60x = 50,622,117,434.02
  5. Step 5: Solve for x
    x = 50,622,117,434.02/252,576.60
  6. Step 6: Final answer
    x = 200,422.83

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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.