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Finding the Fourth Proportional to 300,651.71, 450,998.61 and 120,737.11

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Solution

The fourth proportional to 300,651.71, 450,998.61 and 120,737.11 is: 181,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,651.71 : 450,998.61 = 120,737.11 : x
  2. Step 2: Convert to fraction form
    300,651.71/450,998.61 = 120,737.11/x
  3. Step 3: Cross multiply
    300,651.71x = 450,998.61 × 120,737.11
  4. Step 4: Simplify right side
    300,651.71x = 54,452,267,657.92
  5. Step 5: Solve for x
    x = 54,452,267,657.92/300,651.71
  6. Step 6: Final answer
    x = 181,114.11

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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.