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Finding the Fourth Proportional to 112,850.60, 168,930.30 and 65,964.20

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Solution

The fourth proportional to 112,850.60, 168,930.30 and 65,964.20 is: 98,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,850.60 : 168,930.30 = 65,964.20 : x
  2. Step 2: Convert to fraction form
    112,850.60/168,930.30 = 65,964.20/x
  3. Step 3: Cross multiply
    112,850.60x = 168,930.30 × 65,964.20
  4. Step 4: Simplify right side
    112,850.60x = 11,143,352,095.26
  5. Step 5: Solve for x
    x = 11,143,352,095.26/112,850.60
  6. Step 6: Final answer
    x = 98,744.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.