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Finding the Fourth Proportional to 253,164.77, 379,523.67 and 95,503.94

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Solution

The fourth proportional to 253,164.77, 379,523.67 and 95,503.94 is: 143,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,164.77 : 379,523.67 = 95,503.94 : x
  2. Step 2: Convert to fraction form
    253,164.77/379,523.67 = 95,503.94/x
  3. Step 3: Cross multiply
    253,164.77x = 379,523.67 × 95,503.94
  4. Step 4: Simplify right side
    253,164.77x = 36,246,005,808.26
  5. Step 5: Solve for x
    x = 36,246,005,808.26/253,164.77
  6. Step 6: Final answer
    x = 143,171.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.