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Finding the Fourth Proportional to 188,584.45, 260,248.44 and 108,010.21

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Solution

The fourth proportional to 188,584.45, 260,248.44 and 108,010.21 is: 149,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,584.45 : 260,248.44 = 108,010.21 : x
  2. Step 2: Convert to fraction form
    188,584.45/260,248.44 = 108,010.21/x
  3. Step 3: Cross multiply
    188,584.45x = 260,248.44 × 108,010.21
  4. Step 4: Simplify right side
    188,584.45x = 28,109,488,898.96
  5. Step 5: Solve for x
    x = 28,109,488,898.96/188,584.45
  6. Step 6: Final answer
    x = 149,055.18

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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.