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Finding the Fourth Proportional to 140,250.48, 193,653 and 92,571.60

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Solution

The fourth proportional to 140,250.48, 193,653 and 92,571.60 is: 127,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,250.48 : 193,653 = 92,571.60 : x
  2. Step 2: Convert to fraction form
    140,250.48/193,653 = 92,571.60/x
  3. Step 3: Cross multiply
    140,250.48x = 193,653 × 92,571.60
  4. Step 4: Simplify right side
    140,250.48x = 17,926,768,054.80
  5. Step 5: Solve for x
    x = 17,926,768,054.80/140,250.48
  6. Step 6: Final answer
    x = 127,819.66

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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.