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Finding the Fourth Proportional to 219,933.60, 329,900.40 and 163,946.40

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Solution

The fourth proportional to 219,933.60, 329,900.40 and 163,946.40 is: 245,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,933.60 : 329,900.40 = 163,946.40 : x
  2. Step 2: Convert to fraction form
    219,933.60/329,900.40 = 163,946.40/x
  3. Step 3: Cross multiply
    219,933.60x = 329,900.40 × 163,946.40
  4. Step 4: Simplify right side
    219,933.60x = 54,085,982,938.56
  5. Step 5: Solve for x
    x = 54,085,982,938.56/219,933.60
  6. Step 6: Final answer
    x = 245,919.60

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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.