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Finding the Fourth Proportional to 164,969.40, 246,870.90 and 112,481.40

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Solution

The fourth proportional to 164,969.40, 246,870.90 and 112,481.40 is: 168,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,969.40 : 246,870.90 = 112,481.40 : x
  2. Step 2: Convert to fraction form
    164,969.40/246,870.90 = 112,481.40/x
  3. Step 3: Cross multiply
    164,969.40x = 246,870.90 × 112,481.40
  4. Step 4: Simplify right side
    164,969.40x = 27,768,384,451.26
  5. Step 5: Solve for x
    x = 27,768,384,451.26/164,969.40
  6. Step 6: Final answer
    x = 168,324.46

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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.