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Finding the Fourth Proportional to 163,213.20, 244,819.80 and 88,304.40

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Solution

The fourth proportional to 163,213.20, 244,819.80 and 88,304.40 is: 132,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,213.20 : 244,819.80 = 88,304.40 : x
  2. Step 2: Convert to fraction form
    163,213.20/244,819.80 = 88,304.40/x
  3. Step 3: Cross multiply
    163,213.20x = 244,819.80 × 88,304.40
  4. Step 4: Simplify right side
    163,213.20x = 21,618,665,547.12
  5. Step 5: Solve for x
    x = 21,618,665,547.12/163,213.20
  6. Step 6: Final answer
    x = 132,456.60

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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.