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Finding the Fourth Proportional to 188,752.10, 260,489.10 and 108,184.83

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Solution

The fourth proportional to 188,752.10, 260,489.10 and 108,184.83 is: 149,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,752.10 : 260,489.10 = 108,184.83 : x
  2. Step 2: Convert to fraction form
    188,752.10/260,489.10 = 108,184.83/x
  3. Step 3: Cross multiply
    188,752.10x = 260,489.10 × 108,184.83
  4. Step 4: Simplify right side
    188,752.10x = 28,180,969,000.35
  5. Step 5: Solve for x
    x = 28,180,969,000.35/188,752.10
  6. Step 6: Final answer
    x = 149,301.49

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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.