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Finding the Fourth Proportional to 150,377.66, 225,550.60 and 79,271.81

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Solution

The fourth proportional to 150,377.66, 225,550.60 and 79,271.81 is: 118,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,377.66 : 225,550.60 = 79,271.81 : x
  2. Step 2: Convert to fraction form
    150,377.66/225,550.60 = 79,271.81/x
  3. Step 3: Cross multiply
    150,377.66x = 225,550.60 × 79,271.81
  4. Step 4: Simplify right side
    150,377.66x = 17,879,804,308.59
  5. Step 5: Solve for x
    x = 17,879,804,308.59/150,377.66
  6. Step 6: Final answer
    x = 118,899.34

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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.