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Finding the Fourth Proportional to 307,151.07, 460,724.77 and 79,446.70

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Solution

The fourth proportional to 307,151.07, 460,724.77 and 79,446.70 is: 119,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,151.07 : 460,724.77 = 79,446.70 : x
  2. Step 2: Convert to fraction form
    307,151.07/460,724.77 = 79,446.70/x
  3. Step 3: Cross multiply
    307,151.07x = 460,724.77 × 79,446.70
  4. Step 4: Simplify right side
    307,151.07x = 36,603,062,584.76
  5. Step 5: Solve for x
    x = 36,603,062,584.76/307,151.07
  6. Step 6: Final answer
    x = 119,169.58

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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.