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Finding the Fourth Proportional to 163,200.30, 244,800.45 and 107,213.10

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Solution

The fourth proportional to 163,200.30, 244,800.45 and 107,213.10 is: 160,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,200.30 : 244,800.45 = 107,213.10 : x
  2. Step 2: Convert to fraction form
    163,200.30/244,800.45 = 107,213.10/x
  3. Step 3: Cross multiply
    163,200.30x = 244,800.45 × 107,213.10
  4. Step 4: Simplify right side
    163,200.30x = 26,245,815,125.90
  5. Step 5: Solve for x
    x = 26,245,815,125.90/163,200.30
  6. Step 6: Final answer
    x = 160,819.65

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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.