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Finding the Fourth Proportional to 175,999.94, 263,276.88 and 140,530.53

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Solution

The fourth proportional to 175,999.94, 263,276.88 and 140,530.53 is: 210,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,999.94 : 263,276.88 = 140,530.53 : x
  2. Step 2: Convert to fraction form
    175,999.94/263,276.88 = 140,530.53/x
  3. Step 3: Cross multiply
    175,999.94x = 263,276.88 × 140,530.53
  4. Step 4: Simplify right side
    175,999.94x = 36,998,439,202.98
  5. Step 5: Solve for x
    x = 36,998,439,202.98/175,999.94
  6. Step 6: Final answer
    x = 210,218.48

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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.