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Finding the Fourth Proportional to 356,793.76, 535,194.48 and 107,477.92

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Solution

The fourth proportional to 356,793.76, 535,194.48 and 107,477.92 is: 161,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,793.76 : 535,194.48 = 107,477.92 : x
  2. Step 2: Convert to fraction form
    356,793.76/535,194.48 = 107,477.92/x
  3. Step 3: Cross multiply
    356,793.76x = 535,194.48 × 107,477.92
  4. Step 4: Simplify right side
    356,793.76x = 57,521,589,505.88
  5. Step 5: Solve for x
    x = 57,521,589,505.88/356,793.76
  6. Step 6: Final answer
    x = 161,218.04

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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.