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Finding the Fourth Proportional to 147,092.76, 220,593.78 and 76,933.80

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Solution

The fourth proportional to 147,092.76, 220,593.78 and 76,933.80 is: 115,376.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,092.76 : 220,593.78 = 76,933.80 : x
  2. Step 2: Convert to fraction form
    147,092.76/220,593.78 = 76,933.80/x
  3. Step 3: Cross multiply
    147,092.76x = 220,593.78 × 76,933.80
  4. Step 4: Simplify right side
    147,092.76x = 16,971,117,751.76
  5. Step 5: Solve for x
    x = 16,971,117,751.76/147,092.76
  6. Step 6: Final answer
    x = 115,376.98

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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.