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Finding the Fourth Proportional to 163,936.40, 245,904.60 and 146,310.80

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Solution

The fourth proportional to 163,936.40, 245,904.60 and 146,310.80 is: 219,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,936.40 : 245,904.60 = 146,310.80 : x
  2. Step 2: Convert to fraction form
    163,936.40/245,904.60 = 146,310.80/x
  3. Step 3: Cross multiply
    163,936.40x = 245,904.60 × 146,310.80
  4. Step 4: Simplify right side
    163,936.40x = 35,978,498,749.68
  5. Step 5: Solve for x
    x = 35,978,498,749.68/163,936.40
  6. Step 6: Final answer
    x = 219,466.20

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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.