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Finding the Fourth Proportional to 252,137.56, 348,290.59 and 201,505.17

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Solution

The fourth proportional to 252,137.56, 348,290.59 and 201,505.17 is: 278,349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,137.56 : 348,290.59 = 201,505.17 : x
  2. Step 2: Convert to fraction form
    252,137.56/348,290.59 = 201,505.17/x
  3. Step 3: Cross multiply
    252,137.56x = 348,290.59 × 201,505.17
  4. Step 4: Simplify right side
    252,137.56x = 70,182,354,410.55
  5. Step 5: Solve for x
    x = 70,182,354,410.55/252,137.56
  6. Step 6: Final answer
    x = 278,349.46

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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.