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Finding the Fourth Proportional to 188,752.20, 260,467.20 and 103,869.27

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Solution

The fourth proportional to 188,752.20, 260,467.20 and 103,869.27 is: 143,333.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,752.20 : 260,467.20 = 103,869.27 : x
  2. Step 2: Convert to fraction form
    188,752.20/260,467.20 = 103,869.27/x
  3. Step 3: Cross multiply
    188,752.20x = 260,467.20 × 103,869.27
  4. Step 4: Simplify right side
    188,752.20x = 27,054,537,922.94
  5. Step 5: Solve for x
    x = 27,054,537,922.94/188,752.20
  6. Step 6: Final answer
    x = 143,333.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.