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Finding the Fourth Proportional to 252,572.88, 348,610.43 and 145,205.26

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Solution

The fourth proportional to 252,572.88, 348,610.43 and 145,205.26 is: 200,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,572.88 : 348,610.43 = 145,205.26 : x
  2. Step 2: Convert to fraction form
    252,572.88/348,610.43 = 145,205.26/x
  3. Step 3: Cross multiply
    252,572.88x = 348,610.43 × 145,205.26
  4. Step 4: Simplify right side
    252,572.88x = 50,620,067,618.35
  5. Step 5: Solve for x
    x = 50,620,067,618.35/252,572.88
  6. Step 6: Final answer
    x = 200,417.67

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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.