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Finding the Fourth Proportional to 188,846.08, 260,609.88 and 103,968.88

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Solution

The fourth proportional to 188,846.08, 260,609.88 and 103,968.88 is: 143,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,846.08 : 260,609.88 = 103,968.88 : x
  2. Step 2: Convert to fraction form
    188,846.08/260,609.88 = 103,968.88/x
  3. Step 3: Cross multiply
    188,846.08x = 260,609.88 × 103,968.88
  4. Step 4: Simplify right side
    188,846.08x = 27,095,317,340.53
  5. Step 5: Solve for x
    x = 27,095,317,340.53/188,846.08
  6. Step 6: Final answer
    x = 143,478.31

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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.