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Finding the Fourth Proportional to 150,582.96, 225,552.87 and 79,280.82

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Solution

The fourth proportional to 150,582.96, 225,552.87 and 79,280.82 is: 118,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,582.96 : 225,552.87 = 79,280.82 : x
  2. Step 2: Convert to fraction form
    150,582.96/225,552.87 = 79,280.82/x
  3. Step 3: Cross multiply
    150,582.96x = 225,552.87 × 79,280.82
  4. Step 4: Simplify right side
    150,582.96x = 17,882,016,486.95
  5. Step 5: Solve for x
    x = 17,882,016,486.95/150,582.96
  6. Step 6: Final answer
    x = 118,751.93

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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.