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Finding the Fourth Proportional to 303,736.96, 455,599.28 and 79,092.42

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Solution

The fourth proportional to 303,736.96, 455,599.28 and 79,092.42 is: 118,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,736.96 : 455,599.28 = 79,092.42 : x
  2. Step 2: Convert to fraction form
    303,736.96/455,599.28 = 79,092.42/x
  3. Step 3: Cross multiply
    303,736.96x = 455,599.28 × 79,092.42
  4. Step 4: Simplify right side
    303,736.96x = 36,034,448,094.69
  5. Step 5: Solve for x
    x = 36,034,448,094.69/303,736.96
  6. Step 6: Final answer
    x = 118,637.02

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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.