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Finding the Fourth Proportional to 252,855.68, 348,927.36 and 145,408.64

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Solution

The fourth proportional to 252,855.68, 348,927.36 and 145,408.64 is: 200,656.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,855.68 : 348,927.36 = 145,408.64 : x
  2. Step 2: Convert to fraction form
    252,855.68/348,927.36 = 145,408.64/x
  3. Step 3: Cross multiply
    252,855.68x = 348,927.36 × 145,408.64
  4. Step 4: Simplify right side
    252,855.68x = 50,737,052,876.39
  5. Step 5: Solve for x
    x = 50,737,052,876.39/252,855.68
  6. Step 6: Final answer
    x = 200,656.17

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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.