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Finding the Fourth Proportional to 188,624.89, 260,297.31 and 106,968.12

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Solution

The fourth proportional to 188,624.89, 260,297.31 and 106,968.12 is: 147,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,624.89 : 260,297.31 = 106,968.12 : x
  2. Step 2: Convert to fraction form
    188,624.89/260,297.31 = 106,968.12/x
  3. Step 3: Cross multiply
    188,624.89x = 260,297.31 × 106,968.12
  4. Step 4: Simplify right side
    188,624.89x = 27,843,513,891.76
  5. Step 5: Solve for x
    x = 27,843,513,891.76/188,624.89
  6. Step 6: Final answer
    x = 147,613.15

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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.